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If the length of a simple pendulum is doubled what will be the change in its time period?

asked Oct 16, 2017 in Physics by shamroz (41.5k points)

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Explain why, a glass rod can be charged by rubbing when held by hand.

asked Oct 23, 2017 in Physics by sonia (36.5k points)

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In order to measure current in a circuit, why ammeter is always connected in series?

asked Oct 23, 2017 in Physics by shamroz (41.5k points)

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Under what conditions will a converging lens form a virtual image?

asked Oct 19, 2017 in Physics by shamroz (41.5k points)

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Why or why not concave mirrors are suitable for make up?

asked Oct 22, 2017 in Physics by sonia (36.5k points)

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How does electrostatic induction differ from charging by friction?

asked Oct 22, 2017 in Physics by shamroz (41.5k points)

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What is AND gate? Give its symbol and truth table.

asked Oct 25, 2017 in Physics by shamroz (41.5k points)

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What is difference between gravitational potential and electric potential?

asked Oct 23, 2017 in Physics by shamroz (41.5k points)

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Describe how you would distinguish between conductors and insulators with the help of electroscope.

asked Oct 23, 2017 in Physics by sonia (36.5k points)

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Name some uses of Oscilloscope.

asked Oct 25, 2017 in Physics by sonia (36.5k points)

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What are Boolean variables and logic operations?

asked Oct 25, 2017 in Physics by sonia (36.5k points)

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1 answer 161 views

Under what conditions will a converging lens form a real image that is the same size as the object?

asked Oct 22, 2017 in Physics by sonia (36.5k points)

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What is Boolean Algebra?

asked Oct 25, 2017 in Physics by sonia (36.5k points)

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1 answer 152 views

What is difference between electric potential and potential difference?

asked Oct 23, 2017 in Physics by shamroz (41.5k points)

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How can we measure current in a circuit?

asked Oct 23, 2017 in Physics by shamroz (41.5k points)

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1 answer 111 views

How can the cost of electricity consumed in a house be calculated?

asked Oct 23, 2017 in Physics by shamroz (41.5k points)

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1 answer 328 views

What is simple microscope? How is image formed in it?

asked Oct 18, 2017 in Physics by shamroz (41.5k points)

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What are the factors upon which the resistance of a conductor depends?

asked Oct 23, 2017 in Physics by sonia (36.5k points)

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How can we measure e.m.f. of the battery?

asked Oct 23, 2017 in Physics by shamroz (41.5k points)

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Why does the resistance of a conductor increases with the rise of its temperature?

asked Oct 23, 2017 in Physics by sonia (36.5k points)

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