Physics Set 01

Question No.1

The SI unit of Work and energy is ______

1. Hertz
2. Joule
3. Watt
4. None of these

Select Answer

Correct Answer: ( B )  

Question No.2

Which of these liquids has the highest viscosity?

1. Milk
2. Water
3. Syrup
4. Pineapple juice

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Correct Answer: ( C )  

Question No.3

What is the power of the concave lens?

1. Positive
2. Negative
3. Both of these
4. None of these

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Correct Answer: ( B )  

Question No.4

The SI unit of Electrical Capacity is _______

1. Farad
2. Ohm
3. Ampere
4. Volt

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Correct Answer: ( A )  

Question No.5

The magnet is strongest near the

1. Poles of the magnet
2. Only at south pole of magnet
3. Centre of magnet
4. None of these

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Correct Answer: ( A )  

Question No.6

What is the viscosity of an ideal fluid?

1. Zero
2. One
3. Equal to its mass
4. Equal to its weight

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Correct Answer: ( A )  

Question No.7

A body in equilibrium ___________

1. is always at rest
2. Can move with constant acceleration
3. Can move with variable acceleration
4. Can move with constant velocity

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Correct Answer: ( D )  

Question No.8

AV = constant, where A = area of cross-section and V= velocity of fluid. This equation is known as________

1. Equation of continuity
2. Equation of discontinuity
3. Equation of sustenance
4. None of these

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Correct Answer: ( A )  

Question No.9

During _________ motion of an object along a straight line, the velocity remains constant with time.

1. Linear
2. Translational
3. Circular
4. Uniform

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Correct Answer: ( D )  

Question No.10

Find the current (in Ampere) when a charge of 220 Coulomb flows in 20 seconds.

1. 20
2. 15
3. 11
4. 22

Select Answer

Correct Answer: ( C )  

$ I= {Q \over t }$

 

$ I= {220 Coulomb \over 20sec } = 11 Ampere$

Question No.11

If an object covers unequal distances in equal intervals of time, it is said to be in _________ motion.

1. Uniform
2. Non-uniform
3. linear
4. None of these

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Correct Answer: ( B )  

Question No.12

Which of the following technological inventions came first?

1. Telescope
2. Telephone
3. Telegraph
4. Teletype

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Correct Answer: ( A )  

Question No.13

Calculate the Heat generated (in Joule) in a heating element of resistance 500 ohm, when a current of 0.2 A passes through it for 15 seconds.

1. 350
2. 1800
3. 150
4. 300

Select Answer

Correct Answer: ( D )  

$ H = I^2 RT$

$Heat = (0.2)^2 \times 500 \times 15 $

Question No.14

If the Distance-Time graph is a curve then it represents________

1. Uniform speed
2. Non-uniform speed
3. Constant displacement
4. Uniform momentum

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Correct Answer: ( B )  

Question No.15

Instrument for measuring wind velocity is called_______

1. Cyanometer
2. Wind vane
3. Anemometer
4. Chronometer

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Correct Answer: ( C )  

Question No.16

Sound waves are ___________ waves

1. Longitudinal
2. Transverse
3. Electromagnetic
4. None of these

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Correct Answer: ( A )  

Question No.17

Which of the following is an electromagnetic wave?

1. Cathode ray
2. Sound wave
3. Infrared ray
4. Ultrasonic wave

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Correct Answer: ( )  

Question No.18

1 watt-hour equals to ________

1. 360 joules
2. 3600 joules
3. 36000 joules
4. 720 joules

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Correct Answer: ( B )  

Question No.19

Which type of radiation has the lowest penetrating ability?

1. Alpha
2. Beta
3. Gamma
4. All of these

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Correct Answer: ( A )  

Question No.20

The SI unit of Power is_____

1. Volt
2. Radian
3. Watt
4. Sterdian

Select Answer

Correct Answer: ( C )