Question # 1

With age, least distance of distinct vision:

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Increases

Decreases

Is not affected

None is correct

When the body is moves against the force of friction on a horizontal plane, the work done by the body is:

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Positive

Negative

Zero

None of these

With the propagation of a longitudinal wave through a material medium, the quantities transmitted in the propagation direction are

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Energy, momentum and mass

Energy

Energy and mass

Energy and linear momentum

Rate of flow can be expressed in

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litre/sec

litre-sec

sec/litre

sec/litre-m

Transmitting antenna emits

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Magnetic waves

Electric waves

Electromagnetic waves

Sound waves

When the object lies between F and 2F, the image formed by is formed at:

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Real

Virtual

Diminished

Erect

A massive object falls through a fluid:

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Faster

Slower

Slowest

None

A typical rocket ejects the burnt gases at speeds over

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400 ms^-1

40000m s^-1

40000 ms^-1

60000 ms^-1

The contrast in the fringes in an interference pattern depends upon

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Fringe width

Relative difference intensities of the two sources

Distance between the slits

Wavelength

Electromagnetic radiation or photons interact with matter in

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two distinct ways

three distinct ways

four distinct ways

five distinct ways

The nucleus/nuclei of hydrogen is/are:

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Proton

Deuteron

Triton

All of these

None of these

The conductivities of conductors (metals) have

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10⁵ (Ω)^-1

10⁷ (Ωm)^-1

10⁸ (Ωm)^-1

10⁹ (Ωm)^-1

_____________ suggested the basic formula of fractional force F is liquid

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Maxwell

Newton

Plank

Stoke

Intensities of the two waves of light are I and 4I.The maximum intensity of the resultant wave after superposition is

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5I

9I

16I

25I

If the angle between r and F is 90°, then the torque is

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zero

minimum

maximum

infinite

Which of the following is not a projectile?

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a bullet fired from a gun

a spaceship

a football in air

an artillery shell

Which of the Following bulb will glow Brightest?

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100W

200W

300W

400W

A Gaussian surface is always an imaginary

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Open surface

Closed surface

Both

None of these

To wavelength of light by his experiment , Newton utilized:

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Wavelength of light

Intensity of light

amplitude wave

None of above

The velocity-time graph of a car is a straight line which rises the same height for equal intervals of time, if it moves with

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zero velocity

constant velocity

zero acceleration

constant acceleration

The maximum size of an object as seen by the naked eye is obtained when it is placed of

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Far point

Near point

Distant point None of these

The drag force increases as the speed of the object

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Decreases

Increases

Decreases rapidly

None of these

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