Class 7 Online Courses

Chapter 24: Class 7 Science Exam Tests

Class 7 Science MCQs - Chapter 24

Sound Waves Quiz Questions and Answers PDF - 15

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Sound Waves Questions & Answers PDF Download: MCQ Quiz 15

MCQ 71: Tiny lumps of solid matter grew in kidney are known as

A) kidney larva
B) kidney stone
C) kidney salts
D) urea stone

MCQ 72: A device for viewing oscillations by a display on the screen of a cathode ray tube is called

A) telescope
B) microscope
C) oscilloscope
D) stethoscope

MCQ 73: Sound is carried to our ears through

A) pressure
B) vibrations
C) temperature effect
D) humidity effect

MCQ 74: Light travels

A) slow than sound
B) fast than sound
C) at the same speed as of sound
D) at different speed as of sound

MCQ 75: One of the three things that affects the sound produced by vibration of string is

A) weight of string
B) length of string
C) distance between two strings
D) material of string

Sound Waves Learning App & Free Study Apps

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Sound Waves App (Android & iOS)

Sound Waves App (Android & iOS)

7th Grade Science App (Android & iOS)

7th Grade Science App (Android & iOS)

6th Grade Science App (Android & iOS)

6th Grade Science App (Android & iOS)

8th Grade Science App (Android & iOS)

8th Grade Science App (Android & iOS)