Question # 1

The ratio of shearing stress/shearing strain is called as

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Modulus

Pascal modulus

Hooker's modulus

Shear modulus

If the focal length of the convex lens is 5 cm, then to get the real and inverted image of the same size as that of object, the object should be placed at:

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5 cm

10 cm

15 cm

20 cm

The number of "Earth stations" which transmit signals to satellites and receive signals from them are:

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3

24

126

200

The magnitude of chemical Effects depends upon:

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Nature of liquid

Quantity of Electricity passed through the liquid

Color of the liquid

Both (A) and (C)

Both (A) and (B)

As the bob of the pendulum moves to and fro which of the force is experienced by the bob

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its weight

tension in the string

viscous drag force by air

all of them

Amplitude in SHM is equivalent to ______ in circular motion:

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Diameter

Radius

Circumference

None of these

The motion of a body in a straight line is the motion in

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one dimension

two dimension

three dimension

four dimension

The ratio of linear stress/linear strain is called as

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Yong's modulus

Bulk modulus

Shear modulus

Modulus

The direction of velocity is along the direction of

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distance

displacement

acceleration

all of them

By CAT scans, we can detect the density difference of the order of:

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1%

20%

30%

50%

70%

One radian is equal to:

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30.3°

45.3°

50.3°

57.3°

Bodies which falls freely under gravity provides good example of motion under:

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Uniform acceleration

Non-uniform acceleration

Uniform velocity

None of these

There are some whose resistivity becomes zero below a certain temperature, called

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absolute zero

0°C

critical temperature

lower fixed point

The direction of vector in space is specified by:

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One angle

Two angles

Three angles

None of these

If the length of a simple pendulum is 0.25 m its time period would be

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1.0 s

2.0 s

3.0 s

4.0 s

The total reactance of a series RLC circuit at resonance is

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zero

Equal to the resistance

Infinity

Capacitive

When angular acceleration is positive, the body rotates:

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Slower

Slowest

Faster

None of these

A ball of mass m moving with uniform speed collides elastically with another stationary ball. The incident ball will lose maximum kinetic energy when mass of the stationary ball is

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m

2 m

4 m

Infinity

The current produced by moving a loop of wire across a magnetic field is called:

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Direct current

Magnetic current

Alternating current

Induced current

None of these

Compton shift refers to:

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Photon

Meson

Proton

Positron

Both (B) and (D)

The property of fluids due to which they resist their own flow is called:

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Drag force

Surface tension

Viscosity

None of these

Work has a dimension as that of:

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Torque

Angular momentum

Linear momentum

Power

Blood vessels can be stretch like rubber, therefore they are

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rigid

hard

very thick

not rigid

A ten ohm electric heater operates on a 110 V line. Calculate the rate at which it develops heat in watts

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1310 W

670 W

810 W

1210 W

The half life of radioactive substances depends upon

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amount of substance

energy of substance

state of substance

temperature of substance

Method "lamp and scale arrangement" used to measure the

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angle of deflection

restoring torque

magnetic field strength

current

Monochromatic light means waves of:

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Same frequency

Same colour

Same wavelength

All of them

Energy gas behaves like an ideal gast at

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High temperature and low pressure

Low temperature and high pressure

Both A and B

None

For addition and subtraction purposes, absolute uncertainties are:

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Added

Subtracted

Multipiled

Divided

The unit of decay constant is:

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Second

Metre

Hour

Year

Second^-1

The average value of current and voltage over a cycle is

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Positive

Negative

Zero

May be positive or negative

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