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Secondary Physics Question Paper

Secondary Physics 

Course:Secondary Level

Institution: Mock question papers

Exam Year:2011



ST MARYS BOYS HIGH SCHOOL

PRE-MOCK

TERM ONE

DATE:16/2/2011

TIME:2HR 30MIN

APPLIED PHYSICS

INSTRUCTIONS TO CANDIDATE
1.All questions are compulsory.
2.Omission or wrong numbering will lead to 10% deduction of total marks scored.
3.No phones are allowed in examination room.
4.Read and answer questions carefully.

Q.1.Give two examples of luminous bodies and two of non-luminous bodies. (4 marks)
Q.2.Define the terms ray and beam.
(2 marks)
Q.3.Explain what is meant by regular reflection and diffuse reflection.(4 marks)
Q.4.Explain why enlarging the pinhole in a pinhole camera causes the image to be blurred. (4 marks)
Q.5.A tree 10m tall is 25m away from a pinhole camera whose screen is 10cm behind the pinhole.Determine the height of the image formed. (5 marks)
Q.6.Using a ray diagram,explain briefly how the eclipse of the sun occurs. (5 marks)
Q.7.State two properties of the image formed by a plane mirror. (2 marks)
Q.8.A pinhole camera whose screen is 10cm behind the pinhole forms an image of an object placed in front of the camera.
The height of the image is 0.1 times the height of the object.Determine the object distance.
(5 marks)
Q.9.A tree 15m high is 36m away from the window of laboratory.A student observing the image of the tree in a pinhole camera held next to the window measures the height of the image of the tree and finds it to be 10cm. What is the length of box of pinhole camera?
(5 marks)
Q.10.Two mirrored walls stand at an angle to each other. A student standing in the room counts nine images of himself in the mirrors. Determines the angle between the walls. (5 marks)
Q.11.Describe ,with the aid of a labelled diagram,a simple experiment to show that light travels in a straight line. (5 marks)
Q.12.Explain briefly the working of a kaleidoscope. (2 marks)




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