Recent questions without an upvoted answer

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1 answer 113 views

Suppose you have a glass rod which becomes positively charged when you rub it with wood.

asked Oct 19, 2017 in Physics by sonia (36.5k points)

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1 answer 540 views

What is a gold leaf electroscope? Discuss* its working principle with a label diagram.

asked Oct 19, 2017 in Physics by sonia (36.5k points)

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1 answer 1.2k views

How does electrostatic induction differ from charging by friction?

asked Oct 19, 2017 in Physics by sonia (36.5k points)

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1 answer 207 views

What is meant by electrostatic induction? What is the method of , charging bodies by electrostatic induction?

asked Oct 19, 2017 in Physics by sonia (36.5k points)

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1 answer 866 views

How can you show by simple experiments that there are two types of electric charges.

asked Oct 19, 2017 in Physics by sonia (36.5k points)

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1 answer 129 views

What is meant by electrostatics or static electricity?.

asked Oct 19, 2017 in Physics by sonia (36.5k points)

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1 answer 504 views

Why do we use refracting telescope with large objective lens of large focal length?

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

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1 answer 69 views

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

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

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1 answer 317 views

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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1 answer 473 views

How does the thickness of lens affect its focal length?

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

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1 answer 403 views

When an optician's testing room is small,

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

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1 answer 185 views

Why is the driver's side mirror in many cars convex rather than plane or concave?

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

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1 answer 849 views

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

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

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1 answer 719 views

Explain why a fish under water appears to be at a different .

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

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1 answer 154 views

In your own words, explain why light waves are refracted.

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

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1 answer 800 views

A man raises his left hand in a plane mirror,

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

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1 answer 200 views

How the size of the pupil of our eye will change: (a) in dim light (b) in bright light

asked Oct 18, 2017 in Physics by sonia (36.5k points)

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1 answer 1.6k views

Where a pen is placed in front of a convex lens if the image is equal to the size of the pen?

asked Oct 18, 2017 in Physics by sonia (36.5k points)

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1 answer 893 views

Will the bending of the light be more or less for a medium with high refractive index?

asked Oct 18, 2017 in Physics by sonia (36.5k points)

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1 answer 2.1k views

Why the position of fish inside the water seems to be at less depth than that of its actual position?

asked Oct 18, 2017 in Physics by sonia (36.5k points)

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