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What is photograph enlarger? How does it work?

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

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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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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 95 views

Describe some uses of lenses.

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

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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 129 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 136 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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1 answer 151 views

Define power of a lens and its unit

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

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1 answer 102 views

In which direction the light bends when it enters from one medium to another?

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

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1 answer 104 views

Explain the image formation with ray diagram, when the object is placed between the convex lens and F.

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

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1 answer 109 views

Explain the image formation with ray diagram, when the object is placed at F (focal point) of a convex lens.

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

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1 answer 130 views

Explain image formation with ray diagram, when the object is placed between F and 2F of a convex lens.

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

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1 answer 103 views

Explain image formation with ray diagram, when the object is placed at 2F from the convex lens.

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

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1 answer 115 views

Explain image formation with ray diagram when the object is placed beyond 2F from a convex lens?

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

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1 answer 122 views

Describe how light is refracted through lenses?

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

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1 answer 90 views

What are the differences between real and virtual images?

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

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1 answer 97 views

How does a concave lens or diverging lens can form a real image of a real object?

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

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1 answer 114 views

How does a convex tens or converging tens forms a virtual image of a real object?

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

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1 answer 104 views

Define the following terms applied to a lens

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

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What is prism? Describe the passage of light through.

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

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