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What is the effect of medium on the speed of sound.

asked Oct 16, 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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What is ripple tank? How are waves produced on the surface of water with the help of ripple tank apparatus?

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

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1 answer 136 views

What do you mean regular and irregular reflection of light?

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

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What are the main components of coordination?

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

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1 answer 179 views

Explain with the help of an experiment that sound is produced by vibrating bodies.

asked Oct 16, 2017 in Physics by shamroz (41.5k 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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Define the following terms applied to a lens

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

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Write down the dot and cross formula of propane and n-butane?

asked Sep 18, 2017 in Chemistry by shamroz (41.5k points)

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1 answer 126 views

What are the sign conventions for concave and convex mirror?

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

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Water is amphoteric specie according to Bronsted-Lowry concept. What is its nature according to Lewis concept?

asked Sep 16, 2017 in Chemistry by shamroz (41.5k points)

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1 answer 174 views

Explain the process of generation of diffraction of water waves using ripple tank apparatus.

asked Oct 16, 2017 in Physics by sonia (36.5k 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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1 answer 172 views

Explain refraction of waves with the help of ripple tank apparatus.

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

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1 answer 122 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 173 views

What is a wave? How are waves produced?

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

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Give some examples in which energy is transferred from one place to another through matter.

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

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Is there any characteristic of sound which does not depend upon the sensitivity of fhe ears of the listener?

asked Oct 17, 2017 in Physics by shamroz (41.5k 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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Write a note on one practical application of damped motion.

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

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