Question # 1

The greatest stress that a material can endure without losing the proportionality between stress and strain is called

Choose an answer

plastic line

breaking point

proportional limit

none of them

Referring to above figure, current in the coil P grows from zero to its maximum value

Choose an answer

At the instant the switch is closed

At the instant the switch is opened

When switch is kept open

All of above

Neither of above

Which one of the following relations is correct?

Choose an answer

1 Wb-m²= Nm^-1A^-1

1 tesla = 104 gausses

1 Wb-m²= 1 tesla

All of the above

After alpha decay the atomic number of the atom

Choose an answer

increase by four

decreases by two

increases by two

decrease by four

Angular frequency 'w' is basically a characteristics of

Choose an answer

linear motion

circular motion

both of them

none of them

In the production of beats by 2 waves of same amplitude and nearly same frequency, the maximum intensity to each of the constituent waves is

Choose an answer

Same

2 times

4 times

8 times

The locus of all the points in the same phase of vibration is called:

Choose an answer

Wave packet

Wave front

Wave number

None of them

Radian is defined as the angle subtended at the center of a circle by an arc of:

Choose an answer

Length equal to its diameter

Length equal to its radius

Any length

None of these

The sum of two or more vectors is equal to a single vector which is called:

Choose an answer

Component vector

Resultant vector

Product vector

None of these

Resistance is measured in

Choose an answer

volts

ampere

ohm

watt

The doped semi-conductor materials are known as

Choose an answer

intrinsic semi-conductor

extrinsic semi-conductor

either of them

none of them

Which pair of quantities are not derived quantities?

Choose an answer

Charge, Current

Current, Intensity of Light

solid angle, plane angle

None of these

The high blood pressure is

Choose an answer

100 torr

110 torr

120 torr

130 torr

The magnitude of the scalar product can also written as

Choose an answer

Magnitude of vector and effective component of vector

Vector and effective component of vector

Vector and perpendicular component of vice vector

None of these

A boat which has a speed of 5 km/h in still water crosses a river of width 1 km along the shortest path in 15 minutes.The velocity of the river in km/s is:

Choose an answer

1

3

4

√41

If we keep the moment arm, fixed while change the force, then, the torque is

Choose an answer

Changed

Does not change

Some what change

None of these

A Carnot engine works between 600K and 300. If heat input is 100J then the output is

Choose an answer

300 J

400 J

50 J

56 J

A.H Compton studied the scattering of X-rays by loosely bound electrons from a graph target in:

Choose an answer

1905

1911

19251

1923

When m₁and m₂and V₂= 0 then velocities become

Choose an answer

V'₁= 0 and V'₂= V₁

V'₂= 0 and V₁= V'₁

V₁= 0 and V'₁= V₂

None of these

The units of angular acceleration is

Choose an answer

Radian

Radian per second

Radian per second²

None of these

Inertial frame of references are those frame of references which are moving with

Choose an answer

increasing velocity

decreasing velocity

constant velocity

all of them

An orbital motion in which an artificial satellites adopts

Choose an answer

Circular path

Nearly circular path

Elliptic

None of these

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