Sound Velocity in Different Media and Electromagnetic Waves Quiz

Question 1

In the formula for velocity of sound in gases, γ represents _____.

Accepted Answer

isentropic expansion factor

Answer

Temperature coefficient

Answer

Molecular mass

Answer

Gravitational constant

Question 2

The velocity of sound in steel is approximately _____ m/s.

Accepted Answer

5148

Answer

3000

Answer

1435

Answer

1500

Question 3

The velocity of sound in salt water is approximately _____ m/s.

Accepted Answer

1500

Answer

1600

Answer

1435

Answer

1200

Question 4

The velocity of sound in pure water is approximately _____ m/s.

Accepted Answer

1435

Answer

1300

Answer

1500

Answer

1600

Question 5

In the formula for velocity of sound in liquids, K' represents _____.

Accepted Answer

bulk modulus

Answer

Elastic modulus

Answer

Young's modulus

Answer

Shear modulus

Question 6

The order of velocity of sound (in solid, liquid, gas) is _____.

Accepted Answer

Solid > Liquid > Gas

Answer

Gas > Solid > Liquid

Answer

Liquid > Solid > Gas

Answer

Gas > Liquid > Solid

Question 7

_____ is important for mapping the depth of the ocean floor.

Accepted Answer

Velocity of sound in water

Answer

Frequency of waves

Answer

Speed of light

Answer

Electromagnetic radiation

Question 8

Electromagnetic waves travel at the speed of _____.

Accepted Answer

light

Answer

magnetism

Answer

electricity

Answer

sound

Question 9

The wavelength of gamma-rays ranges from _____ meters to _____ meters.

Accepted Answer

10^-14 to 10^-10

Answer

10^3 to 10^4

Answer

4×10^-7 to 7.8×10^-7

Answer

10^-8 to 4×10^-7

Question 10

X-rays are also called _____ rays after their discoverer.

Accepted Answer

Roentgen

Answer

Herschel

Answer

Hertz

Answer

Ritter

Sound Velocity in Different Media and Electromagnetic Waves

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