In the diagram above, which of the following velocity-time graphs shows uniform acceleration of a body from rest?
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2016
An electron in a hydrogen atom makes a transition from the ground level to the third level. If the energy at the ground level,calculate the energy at the third level.[h = 6.6 x 10-34Js; f = 1015Hz]
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2016
If the magnification of a virtual image formed by an object 10cm from a convex less is 3, then the focal length of the lens is
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2016
Boiling occurs when the vapour pressure of a liquid is
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2016
Calculate the inductance of a coil of resistance 30\(\Omega\) connected to a 100V a.c source if the coil draws an r.m.s current of 2A
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2016
The frequency of beats produced when two tunning forks of frequencies 258Hz and 270Hz are sounded close to each other
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2016
Which of the following statements is Not true about atoms?
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2016
In the diagram above, the direction of the force between N and S in the magnetic field is
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2016
From the diagram above, the measuring accuracy of the micrometer screw gauge is