GRADE 11 PHYSICS TEST 1
Duration: 40 minutes
INSTRUCTIONS TO CANDIDATES
Answer all questions in this paper
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Question 1 of 20
1. Question
The diagram below shows part of a Vernier Caliper used to measure the width of a rectangular glass block. What is the reading on the instrument?
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Question 2 of 20
2. Question
A heavily loaded truck has difficulties to start or stop. The property of the loaded truck which accounts for these observations is its …
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Question 3 of 20
3. Question
In which direction does the frictional force always act on an object moving across a horizontal surface?
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Question 4 of 20
4. Question
A car starts moving from rest and is uniformly accelerated to a speed of 30 m/s in 6 s. What is the distance traveled by the car in this 6 seconds?
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Question 5 of 20
5. Question
The higher an object is from the ground the …
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Question 6 of 20
6. Question
The diagram shows an ideal pulley system being used to lift up a load L.
What is the mechanical advantage of the pulley system?
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Question 7 of 20
7. Question
The diagram below shows a log being pulled up an earth slope from X to Y, having a frictional force of 1000N.
How much work is done against friction?
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Question 8 of 20
8. Question
In the Brownian motion experiment, the zig-zag motion of the bright points of light seen in the smoke cell is due to …
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Question 9 of 20
9. Question
The diagram shows a light rod with two weights hanging from it.
A third weight is to be added to bring the system into equilibrium so that the rod is balanced. What weight is required and where should it be placed?
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Question 10 of 20
10. Question
“As the temperature is raised, the molecules gain energy and vibrate more vigorously about their fixed positions. Eventually they have enough energy to overcome the strong forces between them so that they can move past each other, although weaker forces still do not allow them complete freedom”. What process does the above statement describe?
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Question 11 of 20
11. Question
Which material is the best absorber of infra-red radiation?
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Question 12 of 20
12. Question
The diagram shows an electric door bell. Which energy changes takes place after the push-switch is pressed?
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Question 13 of 20
13. Question
Which one of the following should always be there for sound wave to be produced?
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Question 14 of 20
14. Question
The diagram below show a representation of a transverse wave
What is the meaning of the diagram?
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Question 15 of 20
15. Question
What happens to a plastic rod when it is charged positively by friction?
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Question 16 of 20
16. Question
The instrument which is commonly used for measuring the amount of charge passing per second is …
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Question 17 of 20
17. Question
Which of the following is the most effective way of demagnetizing a magnet?
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Question 18 of 20
18. Question
What is the cost of running a 750W electric fan for 4hours and a 2KW heater for 2hours if electric energy costs K150 per KWh?
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Question 19 of 20
19. Question
The brightness of a spot of light on a C.R.O screen may be changed by varying the potential difference across the…
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Question 20 of 20
20. Question
The mass of a radioactive substance of half-life 2 minutes is 100g. After 4minutes, how much of the substance will decay?
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