Sample Physics
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Question 1 of 20
1. Question
An object of mass 0.25kg moves at a height h above the ground with a speed of 4ms^–1. If it’s mechanical energy at this height is 12J. Determine the value of h [g = 10ms^–2]
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Question 2 of 20
2. Question
Which of the following equations for the efficiency of a machine is correct?
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Question 3 of 20
3. Question
The design of the thermostat on an electric iron is based on the
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Question 4 of 20
4. Question
A metal rod of length 50cm is heated from 40˚C to 80˚C. IF the linear expansivity of the material is∝, Calculate the increase of the rod (in metres) in terms of∝
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Question 5 of 20
5. Question
The cubic expansitivity of a certain gas at constant pressure 1/273 K^(-1). If the given mass of the gas is held at constant pressure and its volume at 0˚C is 273m^3. Determine the volume of the gas at 273˚C
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Question 6 of 20
6. Question
The working principle of a pressure cooker is based on the
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Question 7 of 20
7. Question
It takes a shorter time for a liquid to boil at the top of mountain than at the base because at the top, the
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Question 8 of 20
8. Question
Light is considered as a transverse wave because it travels
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Question 9 of 20
9. Question
In the day time, it is possible to see under shady areas such as under a tree, because light has undergone
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Question 10 of 20
10. Question
The distance between a concave mirror and an object placed in front of it is 1.0m. If the radius of curvature of the mirror is 4.0m. The image formed will be
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Question 11 of 20
11. Question
The image of an object formed by a convex mirror is
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Question 12 of 20
12. Question
When viewed straight down, a fish in a pond is
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Question 13 of 20
13. Question
A converging lens and a screen are placed 20cm and 80cm respectively from an object in a straight line so that a sharp image of the object is formed on the screen. If the object is 3cm high. Calculate the height of the image formed.
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Question 14 of 20
14. Question
Which of the following defects of vision is as a result of the eye ball being too long?
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Question 15 of 20
15. Question
A negatively charged rod is held close to an uncharged metal ball on an insulating stand. The ball will
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Question 16 of 20
16. Question
If the charge on an object is measured as 4.0×10^–18 C, how many excess electron does the object possess, given that the charge of an electron is 1.6×10^–19 C?
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Question 17 of 20
17. Question
Which of the following is a unit of the time rate of flow of electric charges?
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Question 18 of 20
18. Question
Three capacitors each of capacitance 1.5µF are connected in series. The total capacitance in the circuit is.
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Question 19 of 20
19. Question
A voltmeter is a device that
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Question 20 of 20
20. Question
Which of the following actions will not increase the sensitivity of a moving coil galvanometer?
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