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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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 204 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 280 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 202 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 371 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 423 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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Describe the use and working of endoscope.

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

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1 answer 253 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 185 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 170 views

What is optical fibres?

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

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1 answer 263 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 203 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 208 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 162 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 131 views

Describe some uses of lenses.

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

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1 answer 99 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 182 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 176 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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