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Question 1 of 10
1. Question
A 5kg body at rest is acted upon by a force of 20N for 20 milliseconds. The increase in momentum and final speed of the body respectively are
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Question 2 of 10
2. Question
A boy throws a stone up to a height of 10m and catches it back. what is the displacement of the stone (assume the hand remains at the same level at throw and catch)
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Question 3 of 10
3. Question
A body moves along a circular path with uniform angular speed of 0.6 rads-1and at a constant speed of 3.0 ms-1.
Calculate the acceleration of the body towards the centre of the circle.CorrectIncorrect -
Question 4 of 10
4. Question
Which of the following is a derived unit?
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Question 5 of 10
5. Question
The change of the direction of a wave front as a result of a change in the velocity of the wave in another medium is called
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Question 6 of 10
6. Question
Light of frequency 6.0 x 1014Hz traveling in air is transmitted through a glass of refractive index 1.5
Calculate the frequency of the light in the glassCorrectIncorrect -
Question 7 of 10
7. Question
A 700 glass prism has a refraction index of 1.5. Calculate the angle of incidence for minimum deviation
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Question 8 of 10
8. Question
An object placed 12m in front of a convex lens produces a virtual image of magnification 3.0. the focal length of the lens is
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Question 9 of 10
9. Question
What is the average velocity of the molecules in a sample of oxygen at 1000 C? The mass of oxygen is 5.3 x 10-26 kg
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Question 10 of 10
10. Question
A conductor has a diameter of 1.0mm and length 2.0mm, if the resistance of the material is 0.Ω, the resistivity is
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