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Practice MCQs on a levels physics problems, physics MCQs for online test prep. Accelerated motion quiz has multiple choice questions (MCQ), a levels physics problems quiz questions and answers as if a student drops a stone from a cliff of height 30 m and time it takes to reach ground is 2.6 s, then acceleration due to gravity is, answer key with choices as 9 ms-2, 10 ms-2, 4 ms-2 and 8.8 ms-2 for competitive exam prep. Free study guide is to learn a levels physics problems quiz online with MCQs to practice test questions with answers.

MCQ. If a student drops a stone from a cliff of height 30 m and time it takes to reach ground is 2.6 s, then acceleration due to gravity is

1. 9 ms-2
2. 10 ms-2
3. 4 ms-2
4. 8.8 ms-2

D

MCQ. A rectangle-shaped open-to-sky tank of water has a length of 2 m and a width of 1 m. If atmospheric pressure is assumed to be 100 kPa and thickness of tank walls is assumed to be negligible, force exerted by atmosphere on surface of water is

1. 20 kN
2. 50 kN
3. 100 kN
4. 200 kN

D

MCQ. A train with a whistle that emits a note of frequency 800 Hz is approaching an observer at speed of 60 m s-1, frequency of note heard by observer is

1. 978 Hz
2. 980 Hz
3. 950 Hz
4. 900 Hz

A

MCQ. If two quantizes are inversely proportional then graph between y and 1/x gives

1. straight line cutting axis
2. straight line through origin
3. a parabolic curve
4. a hyperbolic curve

B

MCQ. Number of conduction electrons per unit volume is

1. electron number
2. number density
3. proton number
4. neutron number

B