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Explain Coulomb's law of electrostatics and write its mathematical form.

asked Oct 19, 2017 in Physics by sonia (36.5k points)

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Define the following terms used in refraction:

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

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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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Define the following terms used in reflection of light

asked Oct 17, 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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Define power of a lens and its unit

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

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Describe the characteristics of focus of a concave and a convex mirror.

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

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What is prism? Describe the passage of light through.

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What is a compound microscope? Describe its some features and uses.

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Describe a reversible reaction with the help of an example and graph.

asked Sep 26, 2017 in Chemistry 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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Suppose you have a glass rod which becomes positively charged when you rub it with wood.

asked Oct 19, 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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Describe the mechanism of eye for focusing the image of an object onto the retina.

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

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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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Derive equilibrium constant expression for the synthesis of ammonia from nitrogen and hydrogen.

asked Sep 26, 2017 in Chemistry by shamroz (41.5k points)

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What is meant by the term total internal reflection?

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 between F and 2F of a convex lens.

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How can you prepare propene from propyl alcohol?

asked Sep 20, 2017 in Chemistry by shamroz (41.5k points)

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Define lens equation or formula. Also write its equation.

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