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The result you have noted is only because of the carbon dioxide

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

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Why ultrasound is useful in medical field.

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

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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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Write the construction and working of a camera.

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

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Define spherical mirrors. What are its types?

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

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Explain that noise is a nuisance.

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

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Describe how light is refracted through lenses?

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

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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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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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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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Relate the contribution of Ibn-al-Haitham and Ali-lbn-lsa.

asked Sep 5, 2017 in Biology by shamroz (41.5k points)

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1 answer 170 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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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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Elaborate the difference between the mechanical and electromagnetic waves. Also give examples of each,

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

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Acetylene undergoes addition reactions in two stages.

asked Sep 21, 2017 in Chemistry by sonia (36.5k points)

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1 answer 240 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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Why are sound waves called mechanical waves?

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

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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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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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At which positions, the K.E. of a simple pendulum has minimum and maximum values?

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

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