Question # 1

It two waves of amplitude 'a' produce a resultant wave of amplitude a, then the phase difference between them will be

Choose an answer

60°

90°

120°

180°

In metallic crystals which of the following thing remains constant

Choose an answer

amplitude of oscillations

temperature of solid

average atomic positions

all of them

When the magnitude of two component vectors are equal to that of their resultant, then the angle between the components is:

Choose an answer

60°

90°

120°

150°

Distance covered during one vibration of an oscillating body in terms of amplitude A is:

Choose an answer

A

2 A

3 A

4 A

If the vector 5 N lies along with x-axis, then its component along y-axis will be:

Choose an answer

Zero

5 N

7 N

10 N

When a conductoris moved across a magnetic field:

Choose an answer

Emf induced its similar to that of a battery

Emf induced gives rise to induced current

An emf is induced across its ends

All are correct

None of these

The waves in which the particles of the medium are displaced in a direction perpendicular to the direction of propagation of waves are known as

Choose an answer

longitudinal waves

transverse waves

non-mechanical waves

none of them

In an interference pattern of Young's double slit(YDS) experiment:

Choose an answer

Bright fringesare wider than dark fringes

Dark fringes are wider than bright fringes

Both dark and bright fringes are of equal width

Central fringes are wider than the outer fringes

If we connect a A.C. volt meter to read A.C. voltage, It would read its:

Choose an answer

RMS value

Instantaneous value

Valued average over a cycle

Zero

Both (B) and (C)

An atom in which there is a resultant magnetic field, behaves like a tiny magnet and is called as

Choose an answer

magnetic

magnetic dipole

magnetic monopole

none of them

Direction of motion_______ in circular of motion:

Choose an answer

Changes off and on

Changes continuously

Does not change

None of them

Solid angle is

Choose an answer

Two dimensional angle

Three dimensional angle

One dimensional angle

Multi-dimensional angle

In viewing the distant objects the angle subtended at the telescope is

Choose an answer

Smaller

Bigger

Very large

None of these

A line normal to the wavefront including the direction of motion is called

Choose an answer

perpendicular line

parallel line

a ray of light

none of them

The dimensions of co-efficient of viscosity are

Choose an answer

[ML^-1T^-1]

[ML^-2T^-1]

[ML²T^-3]

[ML³T^-1]

Einsteins theory donot tell the force of gravity acting on bodies instead, bodies and light maces along geodesies in

Choose an answer

Space time

Straight space time

Curved space time

All of these

The electric field due to an infinitely long thin wire at a distance R varies as

Choose an answer

1/R

1/R²

R

R²

The capacity of television channels INTELSAT VI satellite is

Choose an answer

2

3

10

20

In a container having water filled up to a height h,a hole is made in the bottom.The velocity of water flowing out of the hole is

Choose an answer

Independent of h

Proportional to h^1/2

Proportional to h

Proportional h²

A body falls freely from rest.It covers as much distance in the last second of its motion as covered in the first three seconds.The body has fallen for a time of

Choose an answer

3 s

5 s

7 s

9 s

The lowlying Earth satellites have acceleration

Choose an answer

9.7 ms^-2

9.9 ms^-2

10.0 ms^-2

9.8 ms^-2

A particle of mass 0.5 g moving along x-axis is located at x₁= 15 m at t₁=5 s and x₂=33 m at t₂=13 s. Its average velocity is

Choose an answer

6 m s^-1

2.45 m s^-1

2.25 m s^-1

4.45 m s^-1

More Classes

Other Links

Physics General Science Test Medium Mode 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

Choose an answer

Choose an answer

Choose an answer

Choose an answer