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Is small quantity of nicotine beneficial?

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How light is reflected through spherical mirrors?

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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What are the uses of ultrasound in medicine?

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

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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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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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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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Does loudness of sound depends upon the physical condition of the rare of the listener?

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

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1 answer 164 views

What is ultrasound or ultrasonic?

asked Oct 17, 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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How do the plants excrete extra carbon dioxide and oxygen from their body?

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

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What do you mean by metabolic waste?

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Why equilibrium state is attainable from either way?

asked Sep 26, 2017 in Chemistry 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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How does living at high altitudes influence tidal volume?

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Write three measures taken by the government to discourage.

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In the lungs, the oxygen passes from the alveoli to the blood. What features make this process rapid?

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After vigorous exercise, your muscles, get fatigued, how it happens?

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