Explore topic-wise InterviewSolutions in Current Affairs.

ong>ANSWER:

meteorite strike the SURFACE of the Moon YET not SOUND is produced give a REASON

×2 =2900 m

Hope it HELPS

4 ampere

Explanation:

RESISTANCE is 3OHM and VOLTAGE is 12v

v=ir

12=3×i

I=4ampere

please ALSO write in English

ong>Answer:

• Heating Effect DEMONSTRATE with anelectric coil in BEAKER of water plus thermometer.
• Magnetic Effect* Demonstrate with an ELECTROMAGNET (CONNECTED up to source of electricity).
• Chemical Effect Demonstrate with a voltameter (see below)

if the appliances were wired in SERIES, the potential difference ACROSS each APPLIANCE would vary depending on the RESISTANCE of the appliance. This would make it very difficult to provide the right power to FLOW through the appliances.

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60 weight HAI mera is TIME

ong>Answer:

Root Tissues and System GROWTH. WITHIN the pericycle is the vascular system of the root. There are TWO types of tissues here, the phloem, which takes the products of photosynthesis from the leaves down into the ROOTS, and the xylem, which takes water and minerals from the roots up into the rest of the plant.

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ong>ANSWER:

Silk does not allow electric CURRENT to PASS through it.

━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

❥If the acceleration is 0, the OBJECT shouldn't have any external forces applied on it. Motion with CONSTANT Velocity: When an object is moving with constant velocity, it does not CHANGE DIRECTION nor speed and therefore is REPRESENTED as a straight line when graphed as distance over time.

━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

70°thats the HORIZONTAL

ong>Answer:

Any object moving in a CIRCULAR path. - A CAR travelling equal DISTANCES in equal intervals of time.

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OPTION a) is CORRECT answer ......

ong>Answer:

rate of energy is POWER . high energy in low TIME is High power Like LIGHTENING strikes. low energy in High time is Like Sunray per sqaure INCH.

ong>Answer:

MASS = 200 KG

INITIAL VELOCITY = 10 M/S

FINAL VELOCITY = 20 M/S

A) INITIAL MOMENTUM = MASS X INITIAL VELOCITY

= 200 x 10

= 2000 KGM/S

B) FINAL MOMENTUM = MASS x FINAL VELOCITY

= 200 x 20

= 4000 KGM/S

C) FORCE = CHANGE IN MOMENTUM / TIME

TAKEN

= 40002000 /2

= 2000/2

= 1000 NEWTONS

ong>Explanation:

A FORCE can produce the following EFFECTS:

A force can move a stationary OBJECT.

A force can STOP a MOVING object.

A force can change the speed of a moving object.

A force can change the direction of a moving object.

A force can change the shape and size of an object.

ong>ANSWER:

In semiconductors and insulators, ELECTRONS are confined to a number of bands of energy, and forbidden from other REGIONS. The term "band GAP" refers to the energy difference between the top of the valence band and the bottom of the conduction band. ... In contrast, a material with a large band gap is an INSULATOR.

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ong>Answer:

When two forces acting on an OBJECT are not EQUAL in size, we say that they are UNBALANCED forces. The overall force acting on the object is called the resultant force . If the forces are BALANCED, the resultant force is zero.

ong>ANSWER:

An OBJECT that falls through a vacuum is subjected to only one external force, the gravitational force, expressed as the weight of the object. An object that is moving only because of the action of gravity is said to be free falling and its MOTION is described by Newton's second law of motion. With algebra we can solve for the acceleration of a free falling object. The acceleration is constant and equal to the gravitational acceleration g which is 9.8 meters per square second at sea level on the Earth. The weight, size, and shape of the object are not a FACTOR in DESCRIBING a free fall. In a vacuum, a beach ball falls with the same acceleration as an airliner. Knowing the acceleration, we can determine the velocity and location of any free falling object at any time using the following equations.

EXPLANATION:

You should just MULTIPLY the number with 5/18.

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you are RIGHT the above QUESTION is right

ong>ANSWER:

Homogeneous mixtures : SODA water, vinegar and filtered TEA. Heterogeneous mixtures : Wood and soil. AIR is a homogeneous mixture of different gases. However, if some dust or other particles are also present, then air becomes heterogeneous mixture.

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ong>ANSWER:

A clear cloudless day-time sky is blue because molecules in the air scatter blue light from the sun more than they scatter red light. When we look towards the sun at sunset, we see red and orange colours because the blue light has been scattered out and away from the line of sight.

The white light from the sun is a mixture of all colours of the RAINBOW. This was demonstrated by Isaac Newton, who used a prism to separate the different colours and so form a spectrum. The colours of light are distinguished by their different wavelengths. The visible part of the spectrum RANGES from red light with a wavelength of about 720 nm, to violet with a wavelength of about 380 nm, with orange, yellow, green, blue and indigo between. The three different types of colour receptors in the retina of the human EYE respond most strongly to red, green and blue wavelengths, giving us our colour vision.

: Acceleration is defined as the rate of change of velocity. Velocity is a vector, which means it contains a magnitude (a numerical value) and a direction. So the velocity can be CHANGED either by changing the SPEED or by changing the direction of MOTION (or both).

I hope that this answer will help you

ক্যালোরি [Calorie]:- 1 গ্রাম বিশুদ্ধ জলের উষ্ণতা 1oC বৃদ্ধি করতে যে পরিমাণ তাপ প্রয়োজন হয় তাকে 1 ক্যালোরি বলে । CGS পদ্ধতিতে তাপের একক হল ক্যালোরি ।

☼ জুল [joule]:- SI পদ্ধতিতে তাপের একক শক্তির এককে প্রকাশ করা হয় । SI পদ্ধতিতে তাপের পরিমাপের একক হল জুল । 1 ক্যালোরি = 4.1825 জুল = 4.2 জুল (প্রায়) ।

► তাপের পরিমাপ নির্ণায়ক বিষয়সমূহ [Factors determining the QUANTITIES of HEAT]:-

optre (British spelling) or diopter (American spelling) is a unit of MEASUREMENT of the OPTICAL power of a lens or curved MIRROR, which is equal to the reciprocal of the focal length MEASURED in metres. (1 dioptre = 1 m−1.) It is thus a unit of reciprocal length

ong>EXPLANATION:

write a FORMULA which relas ELECTRIC CURRENT (I), resistance(R) and electric POWER (P)

ong>Explanation:

i can not MAKE GRAPH so sorry for that but I will explain you in English

1. take the distance y axis and TIME to X axis in case body at rest graph would look like a horizontal line in y axis and it shows time is increasing but distance is at rest.
2. for a body moving with uniform velocity make a angle between X and y axis and angle is about 45 DEGREES it shows above case.

a is CORRECT ANSWER

ong>Answer:

BRAINLIST my answer

Explanation:

THANKS my all answer

ong>Explanation:

Velocity is the RATE of change of POSITION. It is measured in METRES per second.

ong>Answer:

Answer:

A) the object is PLACED between f1and optic center

. b) the focal length COULD be FOUND through lens formulae as magnification is +3.

+3u=v

1/f=1/v-1/u

=1/3u-1/u

=(1-3)/3u

=-2/3*-20(u =-20)

=f=15cm

THOMAS Lewis, a father of modern CARDIOLOGY.

OXYGEN

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SOMETHING that you HEAR or that can be heard

आवाज़, ध्‍वनि (ऐसी चीज़ जिसे हम सुनते हैं या जो हमें सुनाई देती है)

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ong>ANSWER:

Echocardiography: Echocardiography is a diagnostic TEST which uses ULTRASOUND waves to make images of the heart chambers, valves and surrounding structures. It can measure cardiac output and is a sensitive test for fluid AROUND the heart (pericardial effusion).

ong>Answer:

The work-energy THEOREM also known as the principle of work and kinetic energy states that the total work done by the SUM of all the FORCES ACTING on a particle is equal to the change in the kinetic energy of that particle

is that a QUESTION?????????

lol

Explanation:

lollololololplol

A concave LENS have a VIRTUAL focus because the RAYS diverges outside and seems to meet virtually at focus.

ong>Explanation:

Given velocity V1=30km/h=8.33m/s

velocity v2=33.6km/h=9.33m/s

velocity v3=37.2km/h=10.33m/s

Time interval between v1 and v2= 2s and v2 and v3 =2 s

Now acceleration a12=29.33−8.33=0.5m/s2 

SIMILARLY acceleration a123=210.33−9.33=0.5m/s2

Now the net acceleration a12=410.33−8.33=0.5m/s2  

YES the acceleration is uniform. 

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CONVEX LENS has REAL focus

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MUH

ong>Answer:

Given : m

1

=2kg m

2

=1kg u

1

=3 m/s u

2

=4 m/s

Let the COMMON velocity of the combined BODY be V

Mass of combined body M=2+1=3kg

Applying conservation of MOMENTUM :

2×3−1×4=3×V ⟹V=

3

2

m/s

Momentum of the system P=2×3−1×4=2 kg m/s

Loss in kinetic energy of the system due to collision ΔK.E=K.E

i

−K.E

f

ΔK.E=

2

1

(2)×3

2

+

2

1

(1)×4

2

−

2

1

(3)×(

3

2

)

2

⟹ΔK.E=

3

49

J

solution

ong>Answer:

use formula of acceleration distance/time PUT the VALUES and you GET your ANS