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Physics - Questions and AnswersPage 2

11.

One light year is approximately equal to
(a)1011 km
(b)1015 km
(c)1016 km
(d)1018 km
Comment
Answer is: CNA

12.

Consider the physical quantities
1. Electronics
2. Work
3. Temperature
4. Density
Which of the above are scalar quantities ?
(a)1, 2 and 3
(b)1, 4 and 3
(c)3, 4 and 2
(d)1, 2, 3 and 4
Comment
Answer is: DNA

13.

Masses of stars and galaxies are usually expressed in terms of
(a)Neutron mass
(b)Earth mass
(c)Solar mass
(d)Lunar mass
Comment
Answer is: CNA

14.

Consider the physical quantities
1. Displacement
2. Torque
3. Current density
4. Linear momentum
Which of the above are vector quantities ?
(a)3, 4 and 2
(b)1, 4 and 3
(c)1, 2 and 3
(d)1, 2, 3 and 4
Comment
Answer is: DNA

15.

Unit of resistance is
(a)volt x ampere
(b)volt² x ampere
(c)volt/ampere
(d)ampere/volt
Comment
Answer is: CNA

16.

A noise level of 100 decibel would correspond to
(a)just audible sound
(b)ordinary conversation
(c)sound from a noisy street
(d)noise from a machine shop
Comment
Answer is: DNA

17.

Which one of the following is a vector quantity ?
(a)Monentum
(b)Pressure
(c)Energy
(d)Work
Comment
Answer is: ANA

18.

Consider the following statements
1. All plane angles are measured in radian.
2. All the solid angles are measured in steradian.
3. Solid angle is measured in steradian.
Which of the statement(s) given above is/are correct ?
(a)only 1
(b)only 3
(c)2 and 3
(d)1, 2 and 3
Comment
Answer is: DNA

19.

Which of the following physical quantities have the same dimensions ?
(a)Angular momentum and work
(b)Kinetic energy and velocity
(c)Work and torque
(d)Potential energy and linear momentum
Comment
Answer is: CNA

20.

Find out the wrong pair
(a)Luminous intensity - Candela
(b)Amount of substance - Mole
(c)Time - Meter
(d)Temperature - Kelvin
Comment
Answer is: CNA

Comments

How to download all question

SUBHAM MAHAPATRA On 20.07.2018. 12:26

Excellent

Nandupalli paidiraju On 11.07.2018. 07:18

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