Question # 1

Flight of rocket in the space is an example of

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Newton's first law

Newton's third law

Newton's second law

all of them

The rate at which the free electrons pass through any section of a metallic wire from right to left is:

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Greater than the speed at which they pass from left to right

Less than the speed at which they pass from left to right

The same speed at which they pass from left to right

Any of above

None of them

In order to make a voltmeter, high resistance is connected with galvanometer, in

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perpendicular

may be paralled or pendicular

series

none of these

The wave form of SHM is

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Pulsed wave

Square wave

Triangular waved

Sine wave

When brakes are applied to a fast moving car, the passenger will be thrown:

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Forward

Backward

Downward

none of these

Rate of diffusion is

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Faster in solids than in liquids and gases

Faster in liquids than in solids and gases

Equal to solids, liquids and gases

Faster in gases than in liquids and solids

The branch of physics which deals with the structure and properties of solids is called:

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Plasma physics

Solid state physics

Any of above

Astrophysics

Which one of the following wave motions is transverse:

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Wave motion produced in water when a piece of stone is thrown into it

Pulling of weight hanging vertically with a spiral spring

Both of these

None of these

An emf is set up in a conductor when it:

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Is kept in a magnetic field

Is kept in an electric field

Moves across a magnetic field

Both A and B

None of these

The product of the pressure and volume of an ideal gas is

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A constant

Approximately equal to the universal gas constant

Directly proportional to its temperature

Inversely proportional to its temperature

At constant volume temperature is increased. Then

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Collision on walls will be less

Number of collisions per unit time will increase

Collision will be in straight lines

Collision will not change

If light of low wavelength is used in Young's double slit experiment then width of the fine will

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Decreases

Increase

Not fixed

No change

What are the base units of Planks constant h Remember the energy of a photon is given by hf where f element the frequency

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kgms^-1

kgm²s^-1

kgm²s^-2

kgm²s^-3

Snell's Law is defined as

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n1 sin θ₂ = n₂ sin θ

n sin θ₁ = n₁ sin θ₂

n₁ sin θ₁ = n₂ sin θ₂

None of these

The viscosity of red blood cells increase than water is from

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2 to 3 times

3 to 4 time

4 to 5 times

3 to 5 times

The charged nucleus of an atom itself spins its magnetic field is

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Equal to the field produced by orbital electrons

Greater than the field produced by orbital electrons

Much weaker than the field produced by orbital electrons

Very strong

The typical example/examples of optically active crystals

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Quartz

Crystals of sodium chlorate

Crystals of sodium chloride

a and b

All the food you eat in one day has the energy equivalent to petrol of

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1/5 litre

1/3 litre

1/8 litre

1/6 litre

Shear modulus for ice is

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1.2

2.5

3

3.3

If N is the number of rulings on the grating, then the resolving power in the mth order diffraction equals to

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R = N × m

R = N/m

R = m/N

R = N × m²

As 1 ohm x 1 farad = 1 second For MΩ x PF =

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Second

ms

μ s

Ms

The number of significant figures in 5850 is

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3

4

5

2

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