Question # 1

Smaller the damping, greater will be the

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frequency

wavelength

amplitude

none of them

A flowing liquid possess

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K.E

P.E

Pressure Energy

All

If we increase the distance between two plates of the capacitor, the capacitance will

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Increase

Decrease

Remain same

First increase then decrease

The unit of decay constant is:

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Second

Metre

Hour

Year

Second^-1

If the value of C in a series RLC circuit is increased, the resonant frequency

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Is not affected

Increase

Remains the same

Decreases

The second law gives the relationship between

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mass and velocity

force and acceleration

velocity and acceleration

mass and weight

The speed of randomly moving electrons depends upon

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pressure

volume

temperature

mass

Rate of decay is actually described by.

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Half line

Decay constant

Mean life

Total life

None of these

One KWh is equal to:

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3.6 x 10²J

3.6 KJ

3,6 x 10¹KJ

3,6 MJ

First law of thermodynamic is special case of

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Law of conservation of energy

Charle's law

Law of conservation of mass

Boyle's law

Field lines are closer to each other in the region where the field is:

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Stronger

Weaker

Much weaker

Absent

None of these

SI unit of frequency is

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second

hertz

revolution

vibrations/sec

If rope of lift breaks suddenly. The tension exerted by the surface of lift is (a=Acceleration of lift)

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mg

m (g+a)

m (g - a)

0

When the bob of simple pendulum is at mean position, its K.E will be

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maximum

minimum

zero

all of them

The field in which work done in moving a body between two points depends upon the path followed is called:

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Conservative field

Non-conservative field

Electric field

None of these

The number if neutrons in the nucleus of ₉₂U²³⁵are

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Infinite

92

235

143

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

Surface density of charge is defined as

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Charge per unit volume

Charge per unit length

Charge per unit area

Charge per unit mass

If an electron of charge 'e' is accelerated through a potential difference V., it will acquire energy

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Ve

V/e

e/V

2Ve

While deriving the equation for pressure of a gas we consider the

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rotational motion of molecules

vibrational motion of molecules

linear motion of molecules

all of them

Momentum is a parameter associated with

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wave motion

particle motion

neither wave nor particle motion

none of these

The energy of a photon is represented by

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h/c²

h/T

hc²

hf/c²

When a horse pulls a cart, the force that makes the horse run forward is the force exerted by

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The horse on the ground

The horse on the cart

The ground on the horse

The ground on the cart

A vector of magnitude 5 N is added to a vector of magnitude 8 N while the orientations are changeable. Range of their possible sum will be very from:

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Zero to 3 N

1 N to 13 N

13 N to 3 N

None of these

A magnifier gives an image which is:

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Virtual, inverted

Real, erect

Virtual, erect

Real, inverted

In the same medium, velocity of the wave:

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Goes on increasing

Remains constant

Goes on decreasing

None of these

We can express the work in term of

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directly measurable variables

indirectly measurable variables

either of them

both of them

Work done on a body by gravity in lifting it up to certain height is

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Maximum

Minimum

Zero

Negative

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 phase determines the

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displacement

amplitude

frequency

state of motion of vibrating body

In full wave rectification, simultaneous action is that:

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Two diodes conduct and two do not.

One diode conduct and three do not.

Three diodes conduct and one does not.

All the four diodes conduct

None of these

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