Online Physics MCQs Test Set 2

This (Multiple Choice Questions-2) is based on the basic knowledge of physics. After this quiz, you will be able to attempt any exam of basic level physics. You can check to yourself before clicking on show answer button. Let's start!

1. The unit of work is?

(A) Joule

(B) Newton

(D) Dyne

... Answer is (A)
NA (Not Applicable)

2. The light year (ly) is unit of

(A) Distance
(B) Time
(C) Intensity of light
(D) Mass

... Answer is (A)
NA

3. Which of the following is not a unit of time?

(A) Leap year
(B) Month
(C) Light year
(D) Day

... Answer is (C)
Light year is a unit of distance.

4. What of the following is the unit of pressure?

(A) Joule

(B) Dyne
(C) Pascal
(D) Arg

... Answer is (C)
NA

5. Which of the following is a scalar quantity?

(A) Energy
(B) Torque
(C) Momentum
(D) All above

... Answer is (A)
Energy is a scalar quantity.

6. Which of the following is a vector quantity?

(A) Velocity
(B) Mass
(C) Time
(D) Length

... Answer is (A)
All, except of this, are scalar quantity.

7. Rocket works on the principle of

(A) Conservation of energy
(B) Conservation of momentum
(C) Barnauli principle
(D) Third law of motion

... Answer is (B)
NA

8. Weight of 1 kg mass is

(A) 1 N
(B) 10 N
(C) 9.8 N
(D) 9 N

... Answer is (C)
NA

9. When a ship comes in a sea from the river by moving then level of ship will

(A) Remain same as before
(B) Slight above as before
(C) Slight below as before
(D) Depend on the mass of ship

... Answer is (B)
When a ship comes in a sea from the river by moving then ship's level will slight above as before due to more concentration of sea water than river's water.

10. The drop of rain has spherical shape due to

(A) Surface tension
(B) Friction of air
(C) Gravity of earth
(D) Viscosity of rain water

... Answer is (A)
The drop of rain has spherical shape due to surface tension.

11. What is the unit of viscosity?

(A) Poise
(B) Pascal
(C) Arg
(D) None of the above

... Answer is (A)
NA

12. Which scientist is related to buoyancy force?

(A) Newton
(B) Archimedes
(C) Maxwell
(D) None of the above

... Answer is (B)
NA

13. Which of the following is a nature of sound wave?

(A) Transverse
(B) Longitudinal
(C) Electromagnetic
(D) Backward wave

... Answer is (B)
Sound wave is a longitudinal wave.

14. The range of audible wave in sound waves is

(A) 0-20 Hz
(B) 20-20,000 Hz
(C) 20-20,000 kHz
(D) Above of 20,000 Hz

... Answer is (B)
NA

15. The speed of sound wave will be more

(A) In air
(B) In vacuum
(C) In water
(D) In steel

... Answer is (D)
The speed of sound wave is more in solid material.

16. SONAR is used by

(A) Navy
(B) Astronaut
(C) Doctor
(D) Engineer

... Answer is (A)
SONAR is stands for SOund Navigation And Ranging which is used by navy.

17. Which of the following is the temperature of human body at kelvin scale

(A) 280 K
(B) 290 K
(C) 300 K
(D) 310 K

... Answer is (D)
NA

18. Sound wave generate echo due to

(A) Diffraction
(B) Reflection
(C) Refraction
(D) Interference

... Answer is (B)
Sound wave generates echo due to reflection.

19. Which of the following is equivalence temperature at Fahrenheit scale

(A) -40 ᵒC

(B) 212 ᵒC

(D) 100 ᵒC

... Answer is (A)
NA

20. What is the temperature of human body?

(A) 37 ᵒC
(B) 37 ᵒF
(C) 98.4 ᵒC
(D) 100 ᵒC

... Answer is (A)
NA

21. Light is a

(A) Transverse wave
(B) longitudinal wave
(C) A and B both
(D) None of the above

... Answer is (A)
Light is a transverse wave.

22. Entropy is related with

(A) First law of thermodynamics
(B) Second law of thermodynamics
(C) Third law of thermodynamics
(D) Zeroth law of thermodynamics

... Answer is (C)
NA

23. The spectrum of black body radiation is

(A) line
(B) band
(C) continuous
(D) absorption

... Answer is (A)
NA

24. Enthalpy is define as

(A) H = U - PV
(B) H = U + PV
(C) H = U - PV - TS
(D) H = U + PV + TS

... Answer is (B)
NA

25. The internal energy of system is

(A) a thermodynamic variable
(B) a thermodynamic function
(C) a uinversal constant
(D) always zero

... Answer is (B)
NA

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