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Does a ball placed in a bowl executes SHM. Explain.

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

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Does sound manifest the phenomenon of reflection, diffraction and refraction?

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

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What is the principle of optical fibres?

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

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Define lens equation or formula. Also write its equation.

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

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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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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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The breathing becomes rapid and deep after exercise. Why?

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

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What is the stimulus of breathing?

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What is meant by the terms nearsightedness and farsightedness. How these defects can be corrected?

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

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What is optical fibres?

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

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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 255 views

What happens to the angle of refraction when water waves pass from deep to shallow part of water?

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

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Define the term accommodation. How defects in accommodation be corrected?

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What types of waves do not require any material medium for their propagation?

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

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State the conditions for total internal reflection.

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

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How can noise pollution be reduced?

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

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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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Write the construction and working of a camera.

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Give the balanced equation for the hydrolysis of sucrose.

asked Sep 21, 2017 in Chemistry by shamroz (41.5k points)

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Explain that noise is a nuisance.

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