Chapter 8: Simple Harmonic Motion & Waves Physics Mcqs for High School - Grade 10 - Set 8

1)   The method of transfer energy is

a. conduction
b. radiation
c. wave motion
d. all of above
Answer  Explanation 

ANSWER: all of above

Explanation:
No explanation is available for this question!


2)   In a vacuum, all electromagnetic waves have the same

a. frequency
b. speed
c. wavelength
d. amplitude
Answer  Explanation 

ANSWER: speed

Explanation:
No explanation is available for this question!


3)   In one second, a human eardrum can oscillate back and forth up to

a. 30,000 times
b. 10,000 times
c. 25,000 times
d. 20,000 times
Answer  Explanation 

ANSWER: 20,000 times

Explanation:
No explanation is available for this question!


4)   The bending of waves around the corners of slits is called

a. Reflection
b. Refraction
c. Diffraction
d. Deflection
Answer  Explanation 

ANSWER: Diffraction

Explanation:
No explanation is available for this question!


5)   If gm = ge⁄6, the time period of a simple pendulum is 2s and ge = 10ms-2. The length of the pendulum on the moon will be

a. 2 m
b. 1 m
c. 0.17 m
d. 2.5 m
Answer  Explanation 

ANSWER: 0.17 m

Explanation:
No explanation is available for this question!


6)   The distance between 2 consecutive crests or troughs is called

a. time period
b. amplitude
c. frequency
d. wave length
Answer  Explanation 

ANSWER: wave length

Explanation:
No explanation is available for this question!


7)   If a body moves back and forth or to and fro about a point, then it is said to be

a. consistency
b. consistency
c. rotating
d. displacing
Answer  Explanation 

ANSWER: consistency

Explanation:
No explanation is available for this question!


8)   The kinetic energy of mass attached to spring at mean position is

a. maximum
b. minimum
c. moderate
d. may be max. or min.
Answer  Explanation 

ANSWER: maximum

Explanation:
No explanation is available for this question!


9)   A body executing simple harmonic motion always vibrates about a

a. nearest position
b. variable position
c. fixed position
d. most far position
Answer  Explanation 

ANSWER: fixed position

Explanation:
No explanation is available for this question!


10)   The mass doesn't stop at the mean position due to

a. Inertia
b. Friction
c. Torque
d. Gravity
Answer  Explanation 

ANSWER: Inertia

Explanation:
No explanation is available for this question!