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| From: raveenasainibhondi | Reply 1 of 141 | Reply | |
| Subject: Contributed Answer/Explanation to Q. 25 |
Whwn an electric power of one watt flows through a conductor for one hour,
then the electrical energy flowing through the conductor is called
kilowatt-hour. 1 kilowatt hour is equal to 3,600,000J.
Posted at: Fri Dec 4 13:38:47 2009 (GMT)
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| From: asif51 | Reply 2 of 141 | Reply | |
| Subject: Contributed Answer/Explanation to Q. 1 |
CLASS2 LEVER
Posted at: Sat Dec 12 10:33:06 2009 (GMT)
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| From: nikhilesh94 | Reply 3 of 141 | Reply | View replies (3)
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| Subject: Contributed Answer/Explanation to Q. 2 |
2:3
Posted at: Sat Dec 26 13:48:12 2009 (GMT)
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| From: nikhilesh94 | Reply 4 of 141 | Reply | |
| Subject: Contributed Answer/Explanation to Q. 2 |
2:3(MGH)
Posted at: Sat Dec 26 13:48:29 2009 (GMT)
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| From: nikhilesh94 | Reply 5 of 141 | Reply | |
| Subject: Contributed Answer/Explanation to Q. 2 |
2:3(mgh)
Posted at: Sat Dec 26 13:48:40 2009 (GMT)
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| From: nikhilesh94 | Reply 6 of 141 | Reply | |
| Subject: Contributed Answer/Explanation to Q. 7 |
sine of the angle of incidence to the sine of the angle of reflection is
always a constant
Posted at: Sat Dec 26 13:50:02 2009 (GMT)
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| From: nikhilesh94 | Reply 7 of 141 | Reply | |
| Subject: Contributed Answer/Explanation to Q. 8 |
black
Posted at: Sat Dec 26 13:51:17 2009 (GMT)
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| From: slash22 | Reply 8 of 141 | Reply | |
| Subject: Contributed Answer/Explanation to Q. 12 |
Given below
The maximum displacement of a particle from its mean position when energy is
transferred through it.
Posted at: Wed Jan 13 13:00:14 2010 (GMT)
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| From: slash22 | Reply 9 of 141 | Reply | |
| Subject: Contributed Answer/Explanation to Q. 13 |
The number of vibrations in a substance per second
Posted at: Wed Jan 13 13:00:43 2010 (GMT)
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| From: slash22 | Reply 10 of 141 | Reply | View replies (1)
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| Subject: Contributed Answer/Explanation to Q. 15 |
In a plane mirror, energy is lost. Total I.R.-No loss in energy.
Posted at: Wed Jan 13 13:01:37 2010 (GMT)
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| From: slash22 | Reply 11 of 141 | Reply | |
| Subject: Contributed Answer/Explanation to Q. 16 |
A.
Since the slope if VI graph is lesser for an object in parallel resistance,
because it has lesser resistance.
Posted at: Wed Jan 13 13:03:11 2010 (GMT)
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| From: slash22 | Reply 12 of 141 | Reply | |
| Subject: Contributed Answer/Explanation to Q. 17 |
Neutral & Live wires.
Posted at: Wed Jan 13 13:03:36 2010 (GMT)
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| From: slash22 | Reply 13 of 141 | Reply | |
| Subject: Contributed Answer/Explanation to Q. 18 |
Live wire
Posted at: Wed Jan 13 13:03:52 2010 (GMT)
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| From: slash22 | Reply 14 of 141 | Reply | |
| Subject: Contributed Answer/Explanation to Q. 19 |
Singly ionized He atom.
Posted at: Wed Jan 13 13:04:21 2010 (GMT)
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| From: slash22 | Reply 15 of 141 | Reply | |
| Subject: Contributed Answer/Explanation to Q. 20 |
Doubly-ionized He atom.
Posted at: Wed Jan 13 13:04:38 2010 (GMT)
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| From: slash22 | Reply 16 of 141 | Reply | |
| Subject: Contributed Answer/Explanation to Q. 23 |
Since the latent heat of fusion of steam is higher than that that of water.
Posted at: Wed Jan 13 13:05:25 2010 (GMT)
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| From: slash22 | Reply 17 of 141 | Reply | |
| Subject: Contributed Answer/Explanation to Q. 26 |
W=Force x displacement x cos theta (W=Fd cos0)
I have put theta as 0.
Posted at: Wed Jan 13 13:08:26 2010 (GMT)
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| From: slash22 | Reply 18 of 141 | Reply | |
| Subject: Contributed Answer/Explanation to Q. 27 |
Light energy to chemical energy.
Posted at: Wed Jan 13 13:09:08 2010 (GMT)
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| From: slash22 | Reply 19 of 141 | Reply | |
| Subject: Contributed Answer/Explanation to Q. 28 |
Electric energy to chemical energy.
Posted at: Wed Jan 13 13:09:25 2010 (GMT)
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| From: slash22 | Reply 20 of 141 | Reply | |
| Subject: Contributed Answer/Explanation to Q. 29 |
n = MA/VR x 100%
Posted at: Wed Jan 13 13:10:11 2010 (GMT)
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