Question : The waves used in sonography are:

Option 1: Microwaves

Option 2: Infrared waves

Option 3: Sound waves

Option 4: Ultrasonic waves

Question : Which of these waves can be polarised?

Option 1: Sound waves in the air

Option 2: Longitudinal waves on a string

Option 3: Transverse waves on a string

Option 4: Light waves

Question : Which type of sound waves can propagate in solids?

Option 1: Longitudinal only

Option 2: Transverse only

Option 3: Either longitudinal or transverse

Option 4: Non-mechanical waves only

Question : The ordinary and maximum tolerance limit of sound by human being is:

Option 1: 50 dB to 70 dB  (decibel)

Option 2: 60 dB to 80 dB  (decibel)

Option 3: 65 dB to 75 dB  (decibel)

Option 4: 70 dB to 85 dB (decibel)

Question : The term ' Smasher ' is associated with which sport ?

Option 1: Hockey

Option 2: Boxing

Option 3: Volley Ball

Option 4: Cricket