Recent questions without a selected answer

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1 answer 2.0k views

Waves are the means of energy transfer without transfer of matter.

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

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1 answer 231 views

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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1 answer 171 views

What is wave equation? Derive a relationship between speed, frequency and wavelength of a wave?

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

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1 answer 173 views

Define the following terms: (i) Crest (II)Trough (iii) Compression (iv) Rare faction.

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

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1 answer 149 views

What are longitudinal waves? How are they produced?

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

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1 answer 207 views

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 194 views

What is a wave? How are waves produced?

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

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1 answer 179 views

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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1 answer 1.9k views

What are damped oscillations? How damping progressively reduces the amplitude of oscillation?

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

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1 answer 140 views

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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1 answer 393 views

Think 6f several examples in everyday life of motion that are, simple harmonic.

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

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1 answer 387 views

What are the characteristics or important features of SHM?

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

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1 answer 147 views

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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1 answer 219 views

What precautions should be kept in mind, while determining the time period of a simple pendulum?

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

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1 answer 216 views

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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1 answer 125 views

At which positions, the P.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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1 answer 219 views

Show that motion of a simple pendulum is SHM.

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

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1 answer 280 views

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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1 answer 169 views

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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1 answer 171 views

What do you mean by metabolic waste?

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

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