Question # 1

The dot product of two vectors A and B will be zero, if angle between A and B is

Choose an answer

Zero

30^o

90^o

180^o

Blood has density equal to that of

Choose an answer

Mercury

Sodium

Honey

Water

If heat is added to a system, then its entropy will.

Choose an answer

Increases and positive

Decrease and positive

Increases but negative

Decreases but negative

The fluid is said to be incompressible, if its density is.

Choose an answer

Zero

Very high

Constant

Very small

A paratooper moves downward with

Choose an answer

Zero acceleration

Constant acceleration

Positive acceleration

Negative acceleration

The regular or steady flow of fluid is called

Choose an answer

Stream line

Turbulent flow

Average flow

None of these

The periodic variations of sound between maximum and minimum loudness are called.

Choose an answer

Doppler's effect

reflection

Laplace correction

Beats

The efficiency of diesel engine is about

Choose an answer

25 % to 30%

35% to 40%

40% to 50%

50% to 60%

Time period of geostationary satellite of radius 'R' is

Choose an answer

1 hour

48 min

1 day

1 month

Satellites are the objects that orbit around the

Choose an answer

Moon

Sun

Earth

Star

The resultant of two forces 30 N and 40 N acting parallel to each other is.

Choose an answer

30 N

40 N

70 N

10 N

Which one of the following is into directed along the axis of rotation

Choose an answer

Angular acceleration

Angular momentum

Centripetal acceleration

Angular displacement

Which of the following is not directed along the fixed axis of rotation.

Choose an answer

Angular displacement

Angular momentum

Centripetal acceleration

Angular acceleration

the length of simple pendulum of time period 1 second is

Choose an answer

2 m

1 m

0.5

0.25 m

One complete round trip of a body is called

Choose an answer

Displacement

Time period

Vibration

Frequency

The magnifying power of a convex lens of focal lendth 10 cm is

Choose an answer

7

9.6

11

3.5

Temperature of a gas is increased from 27 oC to 127 oC. The ratio of its mean K.E. will be

Choose an answer

3/4

9/16

4/3

10/9

When one mirror of a Michelson interferometer is moved a distance of 0.5 mm, 2000 fringes and observed, The wavelength of light used is.

Choose an answer

5000 m

50000 A^o

500 cm

2000 A^o

More Classes

Other Links

Physics ICS Part 1 Full Book Mcq's Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer