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A Level Physics Practice Test 20

# Free and Forced Oscillations Test Questions PDF - 20

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Apps:

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## Physics: Free and Forced Oscillations MCQs Quiz

MCQ: Natural frequency of a guitar string can be changed by changing it's

A) area
B) diameter
C) length
D) stiffness

MCQ: Magnetic field can be produced by using

A) permanent magnet
B) electric current
C) temporary magnet
D) both A and B

MCQ: If a current of 1 A passes through a point in 1 s then charge passes that point is

A) 2 C
B) 3 C
C) 1 C
D) 6 C

MCQ: Energy is lost in wires due to

A) heating
B) resistance
C) conduction
D) both A and B

MCQ: When light enters from vacuum in to glass, its velocity

A) decreases
B) remains same
C) increases
D) varies depending on mass of glass