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This section includes 7 InterviewSolutions, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Rasistance of human body is abaut |
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Answer»
answer. The NIOSH states "Under dry conditions, the resistance offered by the human body may be as high as 100,000 OHMS. Wet or broken skin may drop the body's resistance to 1,000 Ohms," adding that "high-voltage electrical energy quickly breaks down human skin, REDUCING the human body's resistance to 500 Ohms. Hope this will HELP you... PLEASE mark as brainliest... |
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| 2. |
What is meant by conductors potential at a point is 1 volt |
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| 3. |
What is the electro magnesium |
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Answer» here is your answer.... Explanation: MARK me as brainliest.... |
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| 4. |
What thing we get when a vector is divided by its magnitude? |
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Answer» Answer: If we have a vector and we WANT to get a unit vector that POINTS in the same direction as the given vector, we must divide the COMPONENTS of the vector by its magnitude. When multiplying a SCALAR by a unit vector its magnitude is the scalar module. |
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| 5. |
Ashu drove his cycle from home to school with the speed of 40km/hr and from school to home at the speed of 60km/hr. Calculate the average speed of the cycle drove by Ashu. |
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Answer» Answer: 50 km/hr Explanation: = 40 + 60 / 2 = 100 / 2 = 50 km/hr Mark me as brainliest Hope it helps |
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| 6. |
The_________ of a substance is the ratio of its mass and volume |
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Answer» Answer: DENSITY
Explanation: density is the RATIO of mass of a SUBSTANCE and volume of substance |
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| 7. |
A train moving at 30m/sec velocity find the distance travelled in 30sec |
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Answer» Answer: 1 Explanation: just DIVIDE |
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| 8. |
How much heat is needed to raise the temperature of 1000 g of water from 21 c to 45 c? |
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Answer» Answe\\\ Explanation: |
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| 9. |
A body covers 12 m in 2nd second & 20m in 4thsec. find what distance the body will cover in4 sec after the 5th second |
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Answer» Answer: 136m Explanation: Given : Case I: let initial velocity = U m/s distance=s=12m Time =t=2sec S=u+a(2t-1)/2 12=u+(2x2-1)/2 12=u+3a/2 2u+3a=24--------------(1) Case II: Time=t=4sec distance =s=20m 20=u+a(2x4-1)/2 20=u+7a/2 2u+7a=40--------(2) from 1 and 2: 2u+3a=24 2u+7a=40 - - - *********** -4a=-16 a=4m/s2 substitute the value of a in equation 1 we get : u=6m/s Case iii: Now, distance covered in 4sec after 5second=distance covered in 9TH SEC-distance covered in 5 sec =(6x9+1/24x9x9)-(6x5+1/2*4*5*5) =54+162-(30+50) =136m |
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| 10. |
How to convince a cyclop |
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Answer» When the Cyclops was gone, Odysseus made a plan. He took a stick and sharpened it into a spear and GOT out his very POTENT WINE that he had gotten from the priest in Thrace. When the Cyclops returned, he ate more MEN, and then Odysseus convinced him into DRINKING the potent wine, so that it would make him very drunk. |
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| 12. |
Name a substance whic contain iron but is not attracted |
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Answer» SEE down |
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| 13. |
A train travels first 15 km of 60km track with a uniform speed of 20km/hr.What should be the speed of the train to cover the remaining distance of the track so that its average speed is 30km/hr for the entire trip? |
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Answer» Answer: 30km/hr Explanation: LET the SPEED of the train after 15KM be s2 Therefore, s1=60km/hr,s2=? AVERAGE speed =s1+s2/2 30=20+s2/2 60=20+s2 s2=30km/hr MARK IT AS BRAINLIST ANSWER |
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| 14. |
Calculate the force on a unit positive charge placed at P in given figure each side of triqngle has 4 cm |
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Answer» BRO PLEASE SEND the ATTACHMENT |
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| 15. |
A vechicle travels 60.km north and then 40. km South. What is its total displacement? |
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Answer» So lets just say traveling NORTH is POSITIVE. And traveling SOUTH is negative, if north is positive, and south is negative, therefore, the answer WOULD be easy to calculate this way:
=60 km - 40 km, Hence, then answer would be 20 km. The total displacement would be 20 km. Hope this helps!! And pls rate me on brainliest!!! That'll be very helpful!!!!! |
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| 16. |
Find the eqi valent resistance from a to b |
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Answer» उसने समझ नहीं आ रहा बताओ वापिस बताओ क्वेश्चन को क्लीन कर के |
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| 17. |
What is matters? and what type of matter ! tell me answer I am follow |
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Answer» MATTER is any SUBSTANCE that has mass and TAKES up SPACE by having volume. types of matter are:-
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| 18. |
Define one coulomb charge |
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Answer» Answer: 1ampere of current MULTIPLIED by 1sec of TIME is KNOWN as 1 coulumb of charge 1c=1A*1sec |
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| 19. |
If you pour cold water in a hot container the shape of container get distorted why |
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Answer» CLOSED Tin can half filled with boiling WATER. ... Now, pouring cold water will MAKE the steam condense and become water. This reduces air INSIDE the can. Since the pressure of air inside can becomes lower than air outside, the can's shape will becomedistorted. |
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| 20. |
two resistors of resistance 2 ohm 3 ohm are connected in parallel to a cell of EMF 2 volt and negligible internal resistance calculate the main current passing through the circuit and current through the individual resistance |
Answer» Solution :⏭ Given: ✏ Two resistors of resistance 2Ω and 3Ω are connected in parallel with p.d. of 2V ⏭ To Find:
⏭ Formula: → Formula of equivalent resistance in parallel connection is given by... → As PER OHM's law relation between POTENTIAL DIFFERENCE, current flow and resistance is given by... ⏭ Calculation: _________________________________
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_________________________________
_________________________________
_________________________________ |
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| 21. |
What is matter waves? |
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Answer» Answer: MATTER waves are a central part of the THEORY of quantum mechanics, being an example of wave–particle duality. All matter exhibits wave-like behavior. For example, a beam of electrons can be diffracted just like a beam of LIGHT or a WATER wave.Explanation: Hope it will help you.Mark me as Braonlist. |
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| 22. |
State the following: (1)Law of Motion (2)law of conservation of momentum |
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Answer» Answer: Newton's first LAW of motion - sometimes referred to as the law of inertia. An object at REST stays at rest and an object in motion stays in motion with the same SPEED and in the same direction UNLESS acted upon by an unbalanced force. |
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| 23. |
What is the change of atomic number z of a nucleus when it emits a beta particle |
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| 24. |
Obtain an expression for the electric field at a point at a distance r from charge q. What is the nature of this field? |
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Answer» that is your answer |
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| 25. |
What does a pure substance fixed |
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Answer» SUBSTANCE that has a FIXED chemical composition throughout is called a pure substance such as WATER, air, and nitrogen. A pure substance does not have to be of a SINGLE element or compound. |
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| 26. |
A flashlight of a torch is which kind of beam of light |
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| 27. |
A car travels from stop a to stop b with a speed of 30 km/h with speed of 50 km/h . find 1. displacement of the car.2. distance travelled by the car.3. avrage speed of the car. |
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Answer» A CAR TRAVELS from stop A to stop B with a speed of 30 km/hr and then returs back to A with a speed of 50 km/hr. |
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| 28. |
1 watt is rate of working of one.............. Per............. |
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Answer» JOULE,second Explanation: |
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| 29. |
Dimension of electric flux |
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Answer» Answer: Electric flux has SI unit of volt metre (V m), or, equivalently Newton metre squared per Coulomb (N m^2 C^-1). Thus the base SI units of electric flux are KG m^3 s^-3 A^-1. So the DIMENSIONAL formula of electric flux is [M L^3 T^−3 A^−1]. Explanation: the electric field is uniform, the electric flux (ΦE) passing through a surface of vector area S is: ΦE = E⋅S = EScosθ, where E is the magnitude of the electric field (having units of V/m), S is the area of the surface, and θ is the ANGLE between the electric field lines and the normal (perpendicular) to S. hope it's helpful to you ☺️o please make me brainlist ♥️♥️♥️♥️ |
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| 30. |
What does covex mirror is said to have a virtual principal axis |
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Answer» Answer: see down Explanation: In a CONVEX MIRROR, the REFLECTED rays do not ACTUALLY PASS through the focus (F). So, a convex mirror has a virtual principal focus, which is situated behind the mirror. hope it is the brainliast answer |
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| 31. |
20The ends of a semicircular loop carrying a current I are connected to threewires that lie along the sides of a square (see figure). What is the field at thecentre of the circular section ? |
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Answer» Points to be KNOWN : Magnetic field due to arc of a loop Magnetic field due to a portion of wire Refer the ATTACHMENT Hope the answer HELPED you |
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| 32. |
Find equivalent resistance of this diagram between A and B.first correct answer will be marked brainliest |
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Answer» Answer: the answer is the distance between A and B Explanation: the REASON why is because to find the RESISTANCE you NEED to know what to LOOK for in the DIAGRAM. |
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| 34. |
The vectors A and B are such thatvector A + vector B = vector A - vector B then, 1. vector A + vector B = 02. vector A - vector B = 03. vector A = 04. vector B = 0 |
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Answer» If you SEND your MOTHER to my ROOM i will do sexx with her and send her to you then you ENJOY ok. Explanation: |
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| 35. |
with a labeled digaram describe the formation of image by a plane mirror. Write about characteristics of image formed by a plane mirror? |
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Answer» Answer: RAYS AX and BY, on producing backwards, MEET at point I behind the mirror; which is the IMAGE of point source O. CHARACTERISTICS of image formed in a plane mirror: ... (iv) The image formed by a plane mirror is at the same distance behind the mirror as the object is in front of the mirro |
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| 36. |
The magnification produced by a spherical mirror is -3 list four information you obtained from this statement about mirror or image |
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Answer» We GET the INFORMATION that the mirror used here is convex mirror. Also we get to KNOW that the image is virtual. Further i don't know |
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| 37. |
Explain briefly why battle tank have caterpillar chair on the wheel? |
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Answer» Answer: If the army TANKS were provided with wheels and tyres, they would have sunk into the ground due to their WEIGHT. STEEL belts enable the tanks to SPREAD their weight over a larger surface area and thus exert a lower force per UNIT area on the ground. These belts are called caterpillar wheels. |
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| 38. |
Two examples for circulatory motion |
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Answer» ROTATION of EARTH and WORKING of fan Please MARK it as BRAINLEIST |
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| 39. |
How cathode ray is differ from xray |
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Answer» Answer: |
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| 40. |
A bomb of 6kg initially at rest explodes into two fragments of masses of 4kg and 2kg respectively.If the greater mass moves with a velocity of 5ms^-1.Find the velocity of the 2kg mass |
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Answer» Answer: 10m/s Explanation: by LAW of CONSERVATION of MOMENTUM m1 × V1 = m2 × v2 therefore, 4kg×5m/s=2kg ×(v2)m/s 4×5=2×v2 v2=10m/s |
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| 41. |
Rahul pushes a box in the west direction and his friend riya pushes the box from the opposite side towards rahul. Will the box move? In which direction should riya push the box to move faster towards west |
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Answer» Answer: No, the box will not move,RITA should push that box in WEST direction MARK IT AS BRAINLIST ANSWER |
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| 42. |
What does linear acceleration changes into in circular motion |
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Answer» Answer: In circular MOTION, linear acceleration a, occurs as the MAGNITUDE of the velocity CHANGES: a is tangent to the motion. ... Centripetal acceleration ac occurs as the direction of velocity changes; it is perpendicular to the circular motion. Centripetal and tangential acceleration are THUS perpendicular to each other. |
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| 43. |
Difference between summer solstice and winter solstice 4 point |
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Answer» in this way 21 to 22 JUNE in biger DAY in summer Explanation: Indus hue the winter has a SMALL days to time pass and time is very less than |
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| 44. |
What happens when ch3cooh + n a 2 c o 3 is in the reaction ? |
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Answer» Answer: Hey mate here is your answer..... NA2CO3 + 2CH3COOH = 2CH3COONa + CO2 + H2O Hope it HELPS you..... |
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| 45. |
Three difference between diffusion and osmosis |
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Answer» ANSWER:in BIOLOGY the difference is a semi permeable membrane In osmosis water FLOWS from high towards low through a semi permeable membrane Another difference is that osmosis is only the MOVEMENT of water but diffusion can be the movement of anything Explanation: |
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| 46. |
a boy throws balls vertically upwards he throws whenever previous ball reaches the highest point if he throws each ball after 2 seconds then how high do the ball rise |
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Answer» 20 m Explanation: T=4 SEC {as it TAKES HALF path for 2 SECS.} |
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| 47. |
A truck of a mass 8000 kg and a car of mass 1000 kg are travelling at the same speed. Which one has greater kinetic energy? Why? |
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Answer» Truck hashas greater KINETIC ENERGY Explanation: Truck has greater kinetic energy because the mass of the truck is grater than car. HOPE IT HELPS YOU........ PLEASE MARK ME AS BRAINLIST. |
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| 48. |
How to convert 45 kmph to m/s |
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Answer» Answer: 45 X 5/18 225/18 12.5 m/s |
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| 49. |
37. The value of current in the given circuit it theammeter is a galvanometer with a resistanceRc = 50 Q2 is(a) 0.048 A(c) 0.061 A(b) 0.023 A(d) 0.091A |
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Answer» D)0.094 A Explanation: You can consider the galvanometer as a resistor connected in series with the resistor Therefore net RESISTANCE is given by 3+50 =53ohms I=5/53=0.094A Hope the answer helped you |
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| 50. |
Why did weight of body decreases at coal mines? |
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Answer» Answer: Answer: GRAVITATIONAL force is between two OBJECTS CAUSED by energy in MASS. Here when u r in mine radius of earth in case of calculating gravity. As a result of your weight decreases.Explanation: Follow me and Mark as Brainlist ♥️✔️☺️ |
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