Hot questions

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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 176 views

Why a concave mirror is used for makeup or shaving?

asked Oct 17, 2017 in Physics by shamroz (41.5k points)

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1 answer 176 views

Why ultrasound is useful in medical field.

asked Oct 17, 2017 in Physics by sonia (36.5k points)

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1 answer 174 views

Define the following terms:

asked Oct 17, 2017 in Physics by shamroz (41.5k points)

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1 answer 136 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 171 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 171 views

Define spherical mirrors. What are its types?

asked Oct 17, 2017 in Physics by shamroz (41.5k points)

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1 answer 89 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 129 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 206 views

Why are sound waves called mechanical waves?

asked Oct 17, 2017 in Physics by sonia (36.5k points)

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1 answer 203 views

What is meant by echo? Can we explain how does this happen?

asked Oct 17, 2017 in Physics by shamroz (41.5k points)

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1 answer 212 views

How many methods are there for the transfer of energy from one place to another?

asked Oct 16, 2017 in Physics by sonia (36.5k points)

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1 answer 158 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 207 views

Do the magnitude of angle of incidence and angle of refraction equal?

asked Oct 16, 2017 in Physics by shamroz (41.5k points)

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1 answer 120 views

Describe some uses of lenses.

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

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1 answer 117 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 204 views

Show that motion of a simple pendulum is SHM.

asked Oct 16, 2017 in Physics by shamroz (41.5k points)

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1 answer 201 views

What precautions should be kept in mind, while determining the time period of a simple pendulum?

asked Oct 16, 2017 in Physics by shamroz (41.5k points)

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1 answer 149 views

What do you mean by convex and concave lens. What are their different types?

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

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1 answer 146 views

Define mirror formula. Also write its equation.

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

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