Which following statements are correct about vibration?

• Linear motion of a particle with steady speed.

• Back and forth motion of a particle through its fixed point.

• Circular motion of a particle through its center point.

• Projectile motion of a particle throung horizontal plane.

Which of the following is mechanical waves?

• gamma rays

• infrared

• radio

• sound

Which of the following diagram shows the largest amplitude?

• A

• B

• C

• D

Which of the following is the number of cycles or vibrations per unit of time?

• amplitude

• period

• frequency

• revolution

Which of the following is the time required to complete a cycle of motion?

• amplitude

• period

• frequency

• revolution

A wave travels through a medium. As the wave passes, the particles of the medium vibrate in a direction perpendicular to the direction of the wave’s motion. This wave is called _________

• longitudinal.

• a pulse.

• electromagnetic.

• transverse.

Which of the following is a false statement?

• Sound waves are longitudinal pressure waves.

• Sound can travel through a vacuum.

• Light travels very much faster than sound.

• The transverse waves on a vibrating string are different from sound waves.

Greek letter λ (‘lambda’) or the distance between successive

crests is called

• Wavelength

• Amplitude

• Crest

• Trough

A wave travels through a medium. As the wave passes, the particles of the medium vibrate in a direction parallel to the direction of the wave’s motion. This wave is called _________

• longitudinal.

• a pulse.

• electromagnetic.

• transverse.

Which of the following is NOT type o mechanical wave?

• Longitudinal wave
• Electromagnetic wave
• Surface wave
• Transverse wave