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IGCSE A Level Physics Practice Test 28

# Dynamics MCQ Questions and Answers PDF - 28

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The MCQ Quiz Einstein's mass-energy relationship states that if the mass decreases by Δm, the energy released ΔE is given by: δe = δm × c², where "c" denotes the speed of light., δe = δm × c, where "c" denotes the speed of light., δe = δm ⁄ c, where "c" denotes the speed of light. and δe = δm ⁄ c², where "c" denotes the speed of light. with "Dynamics" App APK Download (Free) for online college programs. Study mechanics and properties of matter questions and answers, Apple Book to download free sample for online colleges that offer financial aid.

## Dynamics MCQ with Answers : Quiz 28

MCQ 136: Einstein's mass-energy relationship states that if the mass decreases by Δm, the energy released ΔE is given by

A) ΔE = Δm × c, where "c" denotes the speed of light.
B) ΔE = Δm × c², where "c" denotes the speed of light.
C) ΔE = Δm ⁄ c, where "c" denotes the speed of light.
D) ΔE = Δm ⁄ c², where "c" denotes the speed of light.

MCQ 137: Current in a circuit when a charge of 180 C passes a point in a circuit in 2 minutes is

A) 1:00 AM
B) 2:00 AM
C) 3:00 AM
D) 1.5 A

MCQ 138: According to Newton, the light travels as

A) particles
B) waves
C) both A and B
D) dust

MCQ 139: Decrease in field strength on top of Mount Everest is

A) 10%
B) 5%
C) 1%
D) 0.30%

MCQ 140: Smallest division on a rule is of

A) 1 cm
B) 1 m
C) 1 mm
D) 10 cm

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