Recent questions without a selected answer

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1 answer 571 views

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

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

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1 answer 229 views

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

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

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1 answer 163 views

How does electrostatic induction differ from charging by friction?

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

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1 answer 105 views

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

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

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1 answer 2.2k views

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

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

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1 answer 72 views

What is meant by electrostatics or static electricity?.

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

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1 answer 85 views

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

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

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1 answer 178 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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1 answer 148 views

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

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

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1 answer 92 views

How does the thickness of lens affect its focal length?

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

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1 answer 794 views

When an optician's testing room is small, he uses a mirror to help him test the eye shift of 1iis patients. Explain why.

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

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1 answer 341 views

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

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

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1 answer 186 views

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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1 answer 1.1k views

Explain why a fish under water appears to be at a different depth below the surface than it actually is.

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

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1 answer 434 views

In your own words, explain why light waves are refracted at a boundary between two materials.

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

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1 answer 111 views

Explain Coulomb's law of electrostatics and write its mathematical form.

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

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1 answer 652 views

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

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

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1 answer 153 views

Describe how you would determine the nature of the charge on a body by using electroscope.

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

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1 answer 366 views

With the help of electroscope how you can find the presence of charge on the body?

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

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1 answer 90 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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