Science MCQs

Practice multiple choice questions with instant feedback. Select an option to see if you're correct.

Total Questions
2100
Page 108 of 210
Question 1071 Hard

Which wave phenomenon explains why we can hear around corners?

A
Diffraction
B
Reflection
C
Refraction
D
Echo
Question 1072 Hard

Which factor does NOT affect the speed of sound in air?

A
Amplitude of the sound
B
Temperature
C
Humidity
D
Density
Question 1073 Hard

Which statement about electromagnetic waves is TRUE?

A
They can travel through vacuum
B
They require a medium
C
They are always longitudinal
D
They are all audible
Question 1074 Medium

In which type of wave do particles vibrate parallel to the direction of wave motion?

A
Transverse wave
B
Longitudinal wave
C
Electromagnetic wave
D
Water wave
Question 1075 Medium

What is the relationship between frequency and time period?

A
Directly proportional
B
Inversely proportional
C
No relationship
D
Equal
Question 1076 Medium

Which animal can hear the highest frequency?

A
Dog
B
Bat
C
Dolphin
D
Cat
Question 1077 Medium

Which of the following is NOT an electromagnetic wave?

A
X-ray
B
Sound wave
C
Radio wave
D
Light wave
Question 1078 Medium

Which waves are used for sterilization?

A
Ultraviolet waves
B
Infrared waves
C
Radio waves
D
Microwaves
Question 1079 Medium

What type of wave is a water wave?

A
Transverse wave
B
Longitudinal wave
C
Both a and b
D
Electromagnetic wave
Question 1080 Medium

What is the role of amplitude in a wave?

A
Determines energy
B
Determines pitch
C
Determines wavelength
D
Determines frequency
Showing 1071-1080 of 2100 questions

Quick Stats

Total Questions 11450
easy 5797
medium 3533
hard 2120

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