Short Questions Chap # 10 – Physics 10th

A human eardrum can oscillate back and forth up to_________ times in one second.

________are lowest point.

Such waves which require medium for their production and propagation are called______

Force exerted on the body is always directed__________ the displacement of mass.

Transmission can be heard in such areas where the waves cannot reach directly due to_______

The force applied on a body is directly proportional to the change in length, which is called _____

The period of a pendulum is independent of its__________

_________are the region where pressure on the layer of the air is less than surrounding.

The product of frequency and time period is equal to________

The relation between the velocity frequency and wavelength of the wave is known as________

Waves which do not require medium is called__________

In SHM acceleration of vibratory motion is maximum at _______

Frequency is ________ of time period.

The magnitude of the restoring force________ with the distance from the mean position.

________are parts of longitudinal wave where loops of spring are far apart from each other.

Time required to complete one cycle is called__________

A large ripple tank with a vibrator working at a frequency of 30Hz produces 25 complete waves in a distance of 50cm. the velocity of the wave is _______

In ball and bowl system the mean position is at _________

Due to _______ the mass does not stop at the mean position but continues its motion.

If mass of bob of simple pendulum is doubled its time period will_______

The ratio of exerted force to displacement is called_________

Electromagnetic waves consist of electric and magnetic fields oscillating_______ to each other.

The relation between velocity, wavelength and time period is___________

There are ______ basic types of waves.

Water and light waves are_________

Which is example of simple harmonic motion?

The speed of mass _________as it moves towards the extreme position.

In a vacuum all electromagnetic waves have the same________

Wave transfer________

A spider detects its prey due to ___________ produce in the web.

If length of simple pend is halved its time period becomes________

Energy is transferred from one place of medium to the other in the form of_____

In SHM velocity of vibrating body is zero at __________

_________developed first pendulum clock that could accurately measure time.

Vibrator is an ________electric motor.

______are region where pressure on the layer of air is more than surroundings.

If F =kx , then k indicates_________

The displacement of an object in SHM when the kinetic energy and potential energy is equal to ________

Electromagnetic waves consist of _________

In ball and bowl system the___________ force act as restoring force.

Motion of mass attached to spring is an example of ________motion.

The bending of waves around the corners of obstacles is________

In SHM velocity of vibrating body is maximum at a________

The Oscillations of a system in the presence of some resistive force are_______

The value of k depends upon __________ of spring.

Heat and light waves are some example of____________

If the length of a simple pendulum is halved, its time period T will become______

In reflection, angle of incidence is ____ angle of reflection.

The net force is zero when bob of simple pendulum is________

Waves transfer_______

In case of simple pendulum which component of weight acts as restoring force _________

In ________ position, the net force on bob is zero and the bob is stationary.

A __________ force always pushes or pulls the object performing oscillatory motion towards the mean position.

The distance between two consecutive crests and troughs is called ________

The maximum potential energy of a vibrating mass attached to a spring is at______

Diffraction of waves can clearly be observed if size of the slit or obstacle is nearly equal to _______of wave.

Vibration is also known as _______

Heat and light waves are ________

The particles of the solid can vibrate about their____________

If the mass of the bob of a pendulum is increased by a factor of 3, the period of the pendulum’s motion will_______

If the mass of bob of a simple pendulum is doubled, its time period ________

The amount of energy carried by the wave depends on the ________ of stretched string from its rest position.

The relation between v, f and λ of a wave is __________

Refraction of water waves depend on the _______of water waves.

The Time taken by vibrating body to complete one vibration is________

When a ray of light enters from one transparent medium to another transparent medium, it bends from its path is called______

Which of the following characteristics of a wave is independent of the others______

Time period of simple pendulum is independent of__________

Mathematically, S.H.M is represented as____________

Kinetic energy is __________ at extreme position.

which of the following devices can be used to produce both a transverse and longitudinal wave?

Number of vibrations completed in one second is called_______

Vibratory motion of ideal systems, in the absence of any friction or resistance continues____

Wave equation is true for__________

Which of the following is a method of energy transfer?

In ______ the particles of medium move back and forth along the direction of propagation of waves.

Christian Huygen invented the pendulum clock in_________

In SHM acceleration of vibrating body is always directed towards ______

_______are highest points.

Refraction of light rays depend on the _______of light rays.

A body is said to be _____________if it moves back and forth about a point.

Which one of the following is not example of SHM?

Which of the following is an example of simple harmonic motion?

Earthquake produces waves through the body of the Earth in form of______

Ball and bowl system is an example of _________

Crests and Troughs appear as __________lines respectively.

The value of spring constant in case of soft springs is _________

Transverse waves move through solids at _________of the speed of longitudinal waves.

Shock absorbers damp vibrations and convert their energy into ________ energy of oil.

The apparatus used to study the properties of waves is____________

High frequency wave carries _______

On screen crest appear as_________

The bouncing back of a wave in the same medium after striking a non-transparent medium is___

_______are travelling disturbance

The slit or obstacles must be equal to__________ of wave to observe diffraction properly