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Physics Paper Question Paper

Physics Paper 

Course:Secondary Level

Institution: Mock question papers

Exam Year:2011



NDURURUMO HIGH SCHOOL

KCSE MOCK

TERM TWO

DATE:8/7/2011

TIME:2HRS 30MIN

PHYSICS

INSTRUCTIONS:
1.All questions are compulsory.
2.Read and answer questions carefully.

Q.1. Define the terms wavelength and frequency of a wave.
(2 marks)
Q.2.Given that the velocity of sound in air is 34m,determine the wavelength is 100Hz.
(2 marks)
Q.3.Calculate the frequency of a note in air whose wavelength is 170cm.(2 marks)
Q.4.Explain the difference between transverse waves and longitudinal waves.
(2 marks)
Q.5.The period of a wave is 2.0 s.Determine the frequency of the wave. (2 marks)
Q.6.A vibrator is used to produce water waves in a ripple tank.The distance between the first and the fifth crests is 200mm. The waves travel 300mm in 1.5 s. Determine
a)the wavelength of the waves.(2 marks)
b)the frequency of the vibrator.(2 marks)
Q.7.A spring is made to vibrate to that it generate longitudinal waves with a velocity of 60m/s. Calculate the distance between successive rarefactions if the spring vibrates 4 times every second.
(5 marks)
Q.8.A source generates 40 waves in second.
If the wavelength of the waves is 8.5 m,determine the time taken for the waves to reach a wall 1020m from the source.
(5 marks)
Q.9.water waves are observed as they pass a fixed point at a rate of crests per minute.A wave crest takes 4.0 s to travel between two fixed points 12.0 m apart.Determine:
a)the frequency of the waves.(2 marks)
b)the wavelength of the waves.(2 marks)
Q.10.A vibrator is sending out 10 crests per second across a water tank. The crerts are observed to be 5cm apart. Calculate the velocity of the waves generated by the vibrator.(5 marks)
Q.11.State two factors which affect the speed of sound in air. (2 marks)
Q.Why are echoes not heard in a small room?
(2 marks)






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