Long Questions Chap # 10 – Physics 10th

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

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

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

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

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

In a vacuum all electromagnetic waves have the same________

Vibrator is an ________electric motor.

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

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

In ball and bowl system the mean position is at _________

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

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

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

There are ______ basic types of waves.

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 _______

Time period of simple pendulum is independent of__________

The distance between two consecutive crests and troughs is called ________

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

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

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

In SHM acceleration of vibrating body is always directed towards ______

If length of simple pend is halved its time period becomes________

Wave equation is true for__________

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

_______are travelling disturbance

The value of k depends upon __________ of spring.

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

The Time taken by vibrating body to complete one vibration is________

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

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

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

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

_________developed first pendulum clock that could accurately measure time.

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

Time required to complete one cycle is called__________

The bending of waves around the corners of obstacles is________

The apparatus used to study the properties of waves is____________

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

Waves which do not require medium is called__________

In SHM acceleration of vibratory motion is maximum at _______

The period of a pendulum is independent of its__________

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

Frequency is ________ of time period.

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

The product of frequency and time period is equal to________

Which one of the following is not example of SHM?

________are lowest point.

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

Refraction of light rays depend on the _______of light rays.

Heat and light waves are some example of____________

Christian Huygen invented the pendulum clock in_________

The particles of the solid can vibrate about their____________

High frequency wave carries _______

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

Electromagnetic waves consist of _________

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

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

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

Wave transfer________

In SHM velocity of vibrating body is zero at __________

The ratio of exerted force to displacement is called_________

Number of vibrations completed in one second is called_______

Which is example of simple harmonic motion?

If F =kx , then k indicates_________

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

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

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

Mathematically, S.H.M is represented as____________

Refraction of water waves depend on the _______of water waves.

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

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

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

The relation between velocity, wavelength and time period is___________

Crests and Troughs appear as __________lines respectively.

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

The net force is zero when bob of simple pendulum is________

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

On screen crest appear as_________

Waves transfer_______

Kinetic energy is __________ at extreme position.

Water and light waves are_________

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

Which of the following is a method of energy transfer?

In SHM velocity of vibrating body is maximum at a________

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

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

Ball and bowl system is an example of _________

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

Vibration is also known as _______

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

Heat and light waves are ________

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

_______are highest points.

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

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