Recent questions in Physics

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Describe how image is formed in human eye. Draw ray diagrams to show the formation of images in the normal human eye.

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

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1 answer 587 views

With the help of a ray diagram, how you can show the use of thin converging lens as a magnifying glass?

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

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Draw the ray diagrams of (i) Simple microscope (ii) Compound microscope Refracting telescope.

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

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1 answer 228 views

Mention the magnifying powers of the following optical instruments

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

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1 answer 323 views

What is telescope? Describe the working of a refracting telescope.

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

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1 answer 234 views

What is a compound microscope? Describe its some features and uses.

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

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1 answer 392 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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1 answer 448 views

Define the terms resolving power and magnifying power or angular magnification.

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

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1 answer 142 views

Describe the use and working of endoscope.

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

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1 answer 273 views

What is a light pipe? Describe its uses.

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

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1 answer 206 views

What is the principle of optical fibres?

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

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1 answer 193 views

What is optical fibres?

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

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1 answer 304 views

Describe the use of totally internal reflecting prism.

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

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1 answer 231 views

What is photograph enlarger? How does it work?

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

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1 answer 236 views

How does a slide projector or movie projector work? Explain.

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

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1 answer 179 views

Write the construction and working of a camera.

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

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1 answer 146 views

Describe some uses of lenses.

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

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1 answer 113 views

What are the adopted rules about the sign conventions for the lenses?

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

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1 answer 207 views

Define lens equation or formula. Also write its equation.

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

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1 answer 193 views

What is difference between the power of a convex lens and a concave lens?

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

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