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What are the main effects of smoking?

asked Oct 16, 2017 in English by shamroz (41.5k 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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Explain the phenomenon of reflection of waves with the help of ripple tank apparatus.

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

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Which mirror is used in motorcycles and automobiles?

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

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Explain how sound is produced by a school bell?

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

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How is depth of water measured by echo method?

asked Oct 17, 2017 in Physics by sonia (36.5k 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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Which compound is formed when limewater combines with carbon dioxide?

asked Oct 16, 2017 in English 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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What is a wave? How are waves produced?

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

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Is small quantity of nicotine beneficial?

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

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How are Cracks detected in the interior of moving parts of high speed heavy machines?

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

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What are the uses of ultrasound in medicine?

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

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Define the following terms: (i) vibrations (ii) Time period (iii) Frequency (iv) Amplitude (v) Wave length

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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Write equations for time period of a mass-spring system and a simple pendulum.

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

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What are longitudinal waves? How are they produced?

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

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Which forces are responsible for dissolving polar substances in water?

asked Sep 25, 2017 in Chemistry by shamroz (41.5k 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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What is ultrasound or ultrasonic?

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

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