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Question 1 of 10
1. Question
A cone in an unstable equilibrium has its potential energy
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Question 2 of 10
2. Question
A piece of rubber 10cm long stretches 6mm when a load of 100N is hung from it. What is the strain?
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Question 3 of 10
3. Question
An object of height 12.0cm is placed 240cm from a pinhole camera, if the image distance from the pinhole is 10.0cm, calculate the image height?
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Question 4 of 10
4. Question
Two resistors, R1 and R2 are connected in parallel, R2 being greater than R1, the combined resistance is
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Question 5 of 10
5. Question
A sonometer wire of length 100cm under a tension of 10N, has a frequency of 250Hz. Keeping the length of the wire constant, the tension is adjusted to produce a new frequency of 350Hz. The new tension is
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Question 6 of 10
6. Question
A boy looks at the image of an object in a plane mirror. He observes two images, a main bright one and the other faint. The observed images result from
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Question 7 of 10
7. Question
One of the properties of gamma rays is that they are
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Question 8 of 10
8. Question
The wave length of the first overtone of a note in a closed pipe of length 33cm is
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Question 9 of 10
9. Question
A wire of length 15m made of a material of resistivity 1.8 x 10-6 has a resistance of 0.27. area of the wire is
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Question 10 of 10
10. Question
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