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This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.

3901.

WHAT IS THE MEANING OF -VACCUM AND MEDIUM ...... !!!! AND PLEASE ANSWER IN EASY AND SIMPLE WORDS ....!!!!​

Answer»

ong>Answer:

Vacuum means NOO AIR. means a SPACE in which there is noo matter present.

Medium means something through which or frm which an energy can pass. from 1 PLACE to another. it means any matter is present.

3902.

Who is the prime minister of Bhopal​

Answer»

e prime minister pure COUNTRY ke HOTE hai na ki ek particular state ke......OK?

PM of INDIA is shri narendra damodar das modi........

✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌✌

@palak8098

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3903.

The report that explains past weather conditions is weather forecast​

Answer»

ve don't ANSWER of this QUESTION

3904.

Briefly explain the following terms related to a simple pendulum with the help of labelled diagram.1) Oscillation of the pendulum ii) Time period of the pendulumb) Calculate time period of a simple pendulum if it takes 72 secondsto complete 24 oscillations.​

Answer»

scillation = 24

TIME PERIOD =72s

b) time period = time TAKEN / no. of oscillation

= 72/24

= 3 seconds

Explanation:

HOPE it HELPS !!!

3905.

If the air resistance is taken into account the acceleration of a denser body is​

Answer»

ong>ANSWER:

yes

Explanation:

but I have great DAY and MATHEMATICS and mathematics is a new one

3906.

an iron ball at 40'c is dropped in a mug containing water at 40'c .the heat will a).flow from iron ball to water b)not flow from iron ball to water or from water to iron ball c)flow from water to iron ball d)increase the temperature of both​

Answer»

temperatures of both are the same. So there would be no net heat flow from that aspect.

The heating resulting from the change in potential ENERGY, and the heating involved in the rusting of the BALL would most likely be pretty small. (Given that the ball was dropped into a MUG, my guess is that the dropping was not from a great height, though I can imagine someone setting things up otherwise to be contrary.

I HOPE IT HELPS ☺️ FOLLOW ME DUDE (◕ᴗ◕✿)

3907.

Alcohol is used in a maximum and minimum thermometer ture or false​

Answer» ONG>ANSWER:

FALSE................

.......................... ...

...................

3908.

Jumbled words NNOAWIR ​

Answer»

riend

I will answer your QUESTION can u just TELL me if this is an ENGLISH word or not.

Because I don’t think I can solve other LANGUAGE words...

3909.

Warm air is lighter than cold air. is it true​

Answer»

ong>ANSWER:

YES it is True

I hope it helped Pls drop a THANKS and mark me as the Brainliest

3910.

A nitride of a divalent metal.Give a example ​

Answer»

GIVE are the example of NITRIDE of a divalent METAL are:

  • Magnesium nitride = Mg3N2
  • CALCIUM nitride=Ca3N2

I HOPE this example are enough

3911.

In Fahrenheit scale water freezes at a)0'f b)32'f c)40'f d)212'f​

Answer» ONG>Answer:

OPTION BIS the answer 32 f

3912.

Explain how does lubrication reduces friction​

Answer» ONG>Explanation:

LUBRICATION reduces the heat generated when two surfaces are in motion. It smoothes the process by forming a film between two surfaces that reduces friction and THUS improves PERFORMANCE and efficiency. There are different variety of LUBRICANTS and oils available such as Engine Oil, Hydraulic Oil, and Greases.

3913.

Write the the types of thermometer and their uses for class 7​

Answer»

ong>Answer:

There are many types of thermometer

Explanation:

The development of the thermometer was a gradual process spread over centuries, with many scientists playing around with different scales and sizes. The invention has become crucial to many industries, none more so than the healthcare industry.

Body temperature is one of the four key vital signs of the human body, and measuring it has been key to the evolution of healthcare practices, with the thermometer being an integral tool in saving many lives. If your body’s temperature (taken orally) is outside the normal range of 36.3o to 37.3o then it is likely there is SOMETHING wrong with your health.

What are the different types of thermometer?

The increasing importance of the thermometer in the diagnosis of patients has led to many new types of thermometer being invented to aid with the ease of taking temperatures. This is achieved by creating thermometers which concentrate on different parts of the body, with some more EFFECTIVE than others.

These include –

Digital thermometers

Digital thermometers are regarded as the fastest and most accurate type of thermometer. Readings are taken from under the tongue, from the rectum or under the armpit. They are easily found in local PHARMACIES and can be used at home or in the hospital.

Electronic ear thermometers

These use infrared technology to get their temperature reading. Electronic ear thermometers are less accurate as if there is too much wax in the ear it can give an incorrect reading. Despite being expensive, they are a lot easier to use on babies and YOUNG children, as it can be hard to get children to sit still for long enough while using digital thermometers.

Forehead thermometers

These thermometers also read heat using infrared, and are placed on the temporal artery. Forehead thermometers are also not as reliable as digital thermometers

Plastic strip thermometers

These thermometers can detect the PRESENCE of a fever in a patient, however, they do not give an exact temperature reading. They simply act as an indication that something might be wrong. To use them, you just place the strip on the forehead.

Pacifier thermometer

These thermometers are used predominantly in babies older than three months. They require the baby to be still for a couple of minutes and this can be a struggle. This means that sometimes the temperature can be inaccurate.

Glass and mercury thermometers

These thermometers are the old school way to take a temperature. You normally would place it under your tongue and watch the mercury rise. Once it stops, that would be your temperature. Unfortunately, due to the risk of mercury poisoning, this means of taking a temperature is not a good idea and you are highly recommended to consult with a healthcare body to discard any you might have.

Different types of Thermometers at Ashtons

With the differing needs of patients, Ashtons has tried to stock a variety of different thermometers to make taking a temperature as easy as possible

3914.

4.Speed of car = a) nonedistancetimeb)velocitytimec)displacementtime​

Answer»

ong>ANSWER:

sorry I don't understand the QUESTION CLEARLY

sorry.

3915.

Air moves from a region of high air pressure to a region of low air pressure. is it true​

Answer»

ong>Explanation:

AIR flowing from areas of high pressure to low pressure creates winds. Warm air can hold more moisture than cold air. Air moving at the BASES of the THREE major convection cells in each hemisphere NORTH and south of the equator creates the global wind belts.

3916.

इन ईयर 2010 सिविक इन द सेकंड एंड यंग मैन इन द वर्ल्ड टू स्विम इंफॉर्मेशन इन टू द 10th ग्रेड नेशनल अवॉर्ड फ्रॉम प्रेसिडेंट प्रणब मुखर्जी सीमेंट​

Answer» ONG>ANSWER:

और गोपनीयता की शपथ ली। प्रणब मुखर्जी ने किताब 'द कोलिएशन ईयर्स: 1996-2012' लिखा है। ... नेता उनमें शामिल हैं। तो यह कहना काफी सरल है कि कांग्रेस सरकार भी इन घोटालों में शामिल थी।" ...

EXPLANATION:

3917.

What is lateral inversion ? list 2 uses of plane mirror

Answer» ONG>Answer:

Lateral inversion is the effect PRODUCED by a plane mirror in reversing images from left to RIGHT. This is the reason why ambulance is written laterally INVERTED so that its image is aligned properly.

Uses of Plane Mirror :

1. They are used as looking glass.

2. They are used in solar cookers.

3. They are also used in constructing periscope which is used in submarines.

4. They are also used to make KALEIDOSCOPE, a toy which produces beautiful patterns.

5. They are also used in various scientific instruments.

3918.

Minimum temperature is recorded early in the morning true or false ​

Answer»

.......

.......

.......

3919.

The product obtained when nitrogen reacts with a neutral gas and the reaction is endothermic.​

Answer»

ong>Answer:

The product obtained when nitrogen reacts with natural gas and the REACTION is endothermic. Natural gas mainly contain methane. ... Natural gas on reaction with steam produce CO and H2. This is called water gas.

PLZ MARK AS BRAINLIEST ANSWER, FOLLOW ME AND THX FOR THE SUPERB QUESTION

3920.

A leap of 1m can be taken in 1s after every 5 leaps taken in the forward direction, leaps in the backward direction will be taken. In a journey of 13m of displacement Please answer me fast and correct explanation I will mark you as a brainlist ​

Answer» ONG>ANSWER:

L. H. S. = Sec⁴ θ ( 1 - Sin ² θ )² - 2 tan² θ

=> Sec⁴ θ ( cos² θ )² - 2 tan²θ

=> SEC ⁴ θ × cos⁴ θ - 2 tan² θ

=> ( 1 / Cos⁴ θ ) × cos⁴ θ - 2 tan² θ

=> 1 - 2tan ² θ

=> 1 - 2 sin² θ/ Cos² θ

=> ( cos² θ - 2 sin² θ ) / Cos² θ

=> [cos ² θ - 2 ( 1 - cos² θ)] /Cos ² θ

=> ( cos² θ - 2 + 2 cos² θ ) /cos² θ

=>[ cos² θ ( 1 - 2 +2 )] /Cos ² θ

=> 1

= R. H. S.

Explanation:

3921.

Calculate the pressure if the force applied is 88.4 N and the area of the contact is 8 m^2

Answer»

ong>Answer:

Pressure and force are related, and so you can calculate one if you KNOW the other by USING the physics equation, P = F/A. Because pressure is force divided by area, its meter-kilogram-second (MKS) units are newtons PER SQUARE meter, or N/m2.

Explanation:

3922.

Why does balloon get inflated in hot water and deflates in cold water​

Answer»

ong>Answer:

Blowing up a balloon with your kids might not seem like an exciting activity, but this project will let them have some fun while getting a science lesson on the side. They’ll never want to go back to playing video games again. Well, at least for an HOUR or so.

Use a balloon and a bottle to introduce your kids to thermal expansion and contraction, which is all around them. For example, the familiar ca-chunk that you feel driving on a bridge is actually the seams designed to allow the bridge to expand on hot days and shrink on cold days. Try this experiment with your kids to catch this PHENOMENON in a bottle! And not a screen in sight.

GATHER THIS:

Balloon

Empty bottle with narrow opening

2 tubs

Ice Water

Hot Water (about half-and-half boiling water and hot tap water works great!)

Optional: Thermometer

THEN DO THIS:

Stretch the balloon over the opening of the bottle.

Set up a cold-water bath and a hot-water bath by pouring several inches of ice water into one tub and several inches of hot water in the second tub.

Encourage your child to feel both tubs and notice what they feel like. You can also use a thermometer to observe the differences between the TWO tubs.

Put the bottle in the hot-water bath and push it down so the water rises up around the sides of the bottle. See what happens! Repeat this procedure in the cold-water bath.

*trouble shooting: If nothing happens, try adjusting the temperature of the water by adding either more ice or more boiling water.

ASK THIS:

What is inside of the bottle? Can the air escape?

What happens to the air in the bottle when you put the bottle in hot/cold water?

After experimenting a bit: How can you make the balloon blow up? Shrink?

What do you predict will happen if we leave the bottle in the hot water for half an hour? Why?

WHAT IS HAPPENING?

When you stretch the balloon over the opening of the bottle, all of the air is trapped inside. Putting the bottle in hot water causes the air molecules inside to heat up and begin taking up more space (thermal expansion), causing air to enter the balloon and inflate it. When you MOVE the bottle into the cold water, the air molecules cool back down and take up less space (thermal contraction).

Explanation:

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3923.

a leap of 1m can be taken in 1s after every 5 leaps taken in the forward direction, leaps in the backward direction will be taken. In a journey of 13m of displacement​

Answer»

er:Did you MEAN?

Explanation: A leap of 1m can be TAKEN in 1s. After every 5 leaps taken in the forward direction, 3 leaps in the backward direction will be taken. In the journey of 13m of DISPLACEMENT?

3924.

A bus takes 40 minutes to cover a distance of 18km.Calculate its 2speed in km/h and m/s?​

Answer»

>

We have given that the TIME t = 40 minutes TAKEN by the school bus to covered the distance of d= 16 km.

Find out :- school bus speed s = ? in m/s uniit or in km/hr. unit.

Now we know that,

Speed formula is S = (distance /time taken)= (d/t)

Before solving the problem we just convert all the respective units in the meter/second so the calculation will becomes easier.

Time t = 40 minutes ( 1 minute = 60 second )

Time t = (40×60) second = 2400 second.

Distance d = 16 km (1 km = 1000 meter)

Distance d = 16×1000= 16000 meter.

Now just substitute all the given values in the formula we GET,

Speed S = (distance /time taken)= (d/t)

Speed S = (16000 meter/2400 second)= 6.66666667 m/s

So take just approximately value near the two digits after the point.

Speed S = 6.67 m/s answer.

Now we have to convert it into the km /hours so it is simple just multiple the answer by (5/18) value.

Speed S = 6.67× (5/18)= 1.85277778 km /hour.

Speed S = 1.85 km /hour answer.

I hope that your doubt will be cleared up my dear friend.

Thankyou,

3925.

How can I object to a decision concerning my personal budget?​

Answer»

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  • You can object to a decision on the size of your personal budget (PGB), or if your application for a personal budget is rejected.

  • If the PGB comes from your health insurer, you have 12 months to send a complaint to an INDEPENDENT complaints body.
3926.

Which of the following institute is responsible for studying weather in our country​

Answer»

ong>ANSWER:

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The India Meteorological Department (IMD) is an agency of the Ministry of EARTH Sciences of the Government of India. It is the principal agency responsible for meteorological observations, WEATHER forecasting and SEISMOLOGY

3927.

What you saw and what you did there. Imagine that you are Neil Armstrong and have just returned toEarth from the first moon landing.Describe your trip to students of grade 5.your description should include 5 facts on how youwent, what u saw and what u did there ​

Answer»

ong>Answer:

GOOGLE KAR le MUJHE pata nahi

3928.

What is the density of gold per 1 cubic centimeter

Answer» ONG>Explanation:

19.28 GRAMS (g) in GOLD mass

3929.

An electric pole appears to be moving from inside a moving car while the same pole appears to be at rest from outside the car.why?​

Answer»
3930.

True or false 1 . volta cell is rechargeable cell.​

Answer»

ong>Answer:

yes true.....! .... GO and use goggle dont trust BRAINLY because some ANSWERS are how MUCH wrong you can't IMAGINE

3931.

Which of the following instrument is used to measure wind speed and the direction of wind​

Answer» ONG>ANSWER:

ANEMOMETERS is the answer

3932.

What is full form of OMC​

Answer»

ong>Explanation:

ABBREVIATION : OMC

OMC - Orbiter Maintenance and Checkout. OMC - Operations MANAGEMENT Center.

3933.

Which of indicates about the future changes of whether​

Answer»

ong>Answer:

Future CHANGES are expected to include a warmer atmosphere, a warmer and more ACIDIC ocean, higher sea LEVELS, and larger changes in PRECIPITATION patterns. The extent of future climate change depends on what we do now to reduce greenhouse gas EMISSIONS. The more we emit, the larger future changes will be.

3934.

In which states of India schools are open ???​

Answer» ONG>Answer:

In which STATES of INDIA schools are OPEN ???

3935.

A stone having a mass of 500 gm is falling from a height.How much kinetic energy will it have if its velocity is 2 m/s​

Answer» ONG>ANSWER:

KINETIC ENERGY 1/2mv^2

1/2.500.2.2

1000J

3936.

a bucket full of water is kept on the first floor of your house and another identical bucket filled with same amount of water is kept at the second floor which one has more potential energy and why ?​

Answer»

ong>Answer:

The BUCKET kept at the second FLOOR has more POTENTIAL ENERGY.

Explanation:

because more the height, more potential energy.

3937.

I. Fill in the blanks. 1. Natural magnets are made from __________. 2. Unlike poles of a magnet __________ each other. 3. Nickel is an example of ___________ substance. 4. Magnets were discovered by __________ of Magnesia. 5. All magnets have ___________ poles. II. State whether the following statements are TRUE or FALSE. 1. Magnetite contains iron. 2. U-shaped magnets have only one pole. 3. Magnets are used in CD’s and DVD’s. 4. Magnet loses its property when heated to very high temperature. 5. A freely suspended magnet always comes to rest in east-west direction. III. Short answer questions. 1. Define: a) Magnetic field. b) Magnetic compass. 2. Distinguish between: a) Natural and artificial magnets. b) Magnetic and non-magnetic substances. 3. Give reason: a) More iron filings will stick to the ends of the magnet than to the middle. b) Magnets should never be kept near electronic items.

Answer»

....

Hey mate.........

Here's your answer........

The word SCIENTIST is a general term, used to describe someone who researches and examines various aspects of the physical WORLD in order to attain a better understanding of how things work and function. There are many SPECIALIZATIONS of 'scientist', and depending on which field of study one chooses to follow, the work can vary greatly. Each scientist, however, follows 'the scientific METHOD', which is a strict set of rules that ensure all new discoveries are FACTUAL and not just speculation.

Hope it helps....

Leave a thank....

Make me brainliest........

AKSHITA....

# 1000 तो हम करके रहेंगे।

3938.

a rod of magnetic material of cross section 0.25cm^2 is located in 4000am^-1 magnetising field . Magnetic flux passing through the rod is 25×10^-6wb.Find out magnetic susceptibility.​

Answer»

Explanation:

  1. area A=0.25 CM2 <U>=0.25*10^-4 m^2H=4000 A/m Flux =25*10^-6wB B= flux density =0/A B= 25*10^-6/0.25*10^-4 B=25×10^-6/ 25×10^-6. B=1.T B= uH u=B/H. =1/4000. u= 1/4×10^3 u=0.25×10^-3h/m
3939.

Which has more mass, 1 kg of water or 1 kg of air?

Answer»

ong>ANSWER:

\huge{\underline{\mathtt{\red{❥A}\pink{N}\green{S}\blue{W}\purple{E}\orange{R}}}}They are EQUAL in mass, (if MEASURED under equal conditions). If the weights are the same, the masses will be the same. Both have the same mass The difference is that the volume of WATER will be more as compared to that of air because the DENSITY of air is more than that of water.

3940.

In convex mirror always image formed- type​

Answer»

ong>ANSWER:

it will be ulta in convex MIRROR

3941.

Instrument is used to measure humidity of a place​

Answer»

ong>Answer:

A HYGROMETER is an instrument used to MEASURE relative HUMIDITY. Humidity is the measure of the amount of moisture in the air. A psychrometer is an example of a hygrometer.

3942.

Paguy. Suunului, di Table - 3hachaOthersS.ColourShape sizeName of theSeedNo. ofcotyledons(seedleaves )No.whca1.2.3.4.5.​

Answer» ONG>ANSWER:

yfitsufzifxitdiyhcufsuraufzjyzyjdUfzjgzhfzjgdJydJtddJtdHtd

3943.

Rain fall of a place is measured using​

Answer» ONG>ANSWER:

HYGRO meteis used to measure rainfall of aplace

3944.

8th class physics a book on the surface of a table .the book is pushed in one direction .draw the forces acting on the book and explain​

Answer» ONG>Answer:

the FORCE acting on the book will be positive

Explanation:

SIR Newton's third law of motion states that for an action there is always an equal and opposite REACTION . These two forces always act on different objects . When a book is kept on a table , WEIGHT (gravitational force) of book acts on table vertically downwards and as a reaction of weight , table also exerts an equal and opposite ( upward) force on book .

3945.

If the momentum of a 2 ton car is 10000 kgm/s. find the speed in km/hr.​

Answer»

EXPLANATION:

m=2 TON =2000 kg

momentum=mass*velocity

10000kgm/s=2000kg*v

v=10m/s

v=10*18/5km/h

v=36km/h

3946.

Reports help us to study and understand the weather of a place​

Answer»

'weather reports '

the STATEMENT is true

we just NEED to add the word 'weather' in the BEGINNING of the statement.

3947.

A person moves along the boundary of a square feild of side 10 m in 20. seconds.what will be the magnitude of displacement of that person at the end of 2 min 20 sec ....who will give correct answer I will mark as brainlist​

Answer»

ong>Answer:

10√2 will be the answer.

Explanation:

it will make total of 3 and half turn so it's DISPLACEMENT will be the diagonal of the SQUARE. you can solve that EASILY by HERON' s formula.

3948.

What kindsof friction do you know and explain with suitable example​

Answer» ER: Frictions are of many types static FRICTION and etcc

Explanation:

Static friction MEANS when you apply FORCE and the object does not move it is static friction Example: PAPER on a tabletop

3949.

What is the full form of AIIMS?? ❌NO SPAMMING❌

Answer» ONG>ANSWER:

AIIMS »»————>

All INDIA Institute of medical science.

Hope it HELPS you.

Thanks

3950.

State two factors on which the potential energy of a body at a certain height above the grounddepends. ​

Answer»

er:state two FACTORS on which the POTENTIAL energy of a body at a CERTAIN height above the ground depends

  1. Height of the object from above the ground.
  2. Mass of the object.
  3. Gravitational acceleration DUE to the planet's gravitational force.

Explanation: