Question # 1

Direction of angular acceleration is always along

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x-axis

y -axis

z-axis

The axis of rotation

The path followed by a projectile in known as its

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Range

Trajectory

Cycle

Height

In branch of physics which deals with the nuclear particls such as neurtons, protons adn nuclear structur is called

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Nuclear Physics

Solid state Physics

Particle Physics

Plasma physics

When two identical waves superimposed, which can change.

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Wave length

Frequency

Velocity

Amplitude

In stationary waves, the velocity of particle at the node is.

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Maximum

Infinite

Zero

Varible

If 332 waves pass through a medium in 1 second with speed of 332 ms-1 then wavelength will be

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7 m

332 m

664 m

1 m

If the wave motion is 0.01 sec and wave speed is 100 ms-1 then frequency of wave is.

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0.5 Hz

1 Hz

10 Hz

100 Hz

The SI unit of work is

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Newton

Joule

Mol

Calorie

The error in a certain measurement occurs due to

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Negligence of a person

In appropriate technique

Faulty Appraatus

All of rhe above

When a fore of 100 N is acting on an object along x-axis then its vertical component will be.

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50 N

0 N

25 N

10 N

The experimental value for the velocity of sound in air is

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233 m-sec^-1

333 m-sec^-1

433 m-sec^-1

533 m-sec^-1

The to and fro motion of a body is called

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Linear motion

Rotational motion

Vibratory motion

None of these

The dimensions of angular velocity are

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[LT-1]

[LT-2]

[T-1]

[L-1T-1]

Bending of light around the edges of an obstacle is called.

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Refraction

Polarization

Interference

Diffraction

Entropy of measure of.

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Internal energy of system

Order of system

Disorder of system

Potential energy of system

The resultant of two vectors having magnitude 12 N and 8 N can not be

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2 N

20 N

10 N

16 N

In the thermodynamics process , the equation W = -delta U represents.

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Isothermal expension

Isothermal compression

Adiabatic expansion

Adiabatic compression

The time rate of change of angular displacements called.

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Linear velocity

Linear speed

Angular velocity

Angular speed

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