List of top Questions asked in EAMCET- 2010

The current- voltage graph for a given metallic wire at two different temperatures t) and $ {{T}_{1}} $ and $ {{T}_{2}} $ is shown in the figure. The temperatures $ {{T}_{1}} $ and $ {{T}_{2}} $ are related as

The magnification produced by an astronomical telescope for normal adjustment is 10 and the length of the telescope is 1.1m. The magnification, when the image is formed at least distance of distinct vision is

A battery of emf 2.1 V and internal resistance is shunted for 5 s by a wire of constant resistance 0.02 $ \Omega $ ,mass 1 g and specific heat 0.1 cal/g/?C. The rise in the temperature of the wire is

A lead bullet of unknown mass is fired with a speed of 180 ms-1 into a tree in which it stops. Assuming that in this process two-third of heat produced goes into the bullet and one- third into wood. The temperature of the bullet rises by (Specific heat of lead $ =\text{ }0.120\text{ }J{{g}^{-1}}{{C}^{-1}} $ )

In the figures shown below

If 200 MeV of energy is released in the fission of nucleus of $ _{92}{{U}^{235}}, $ the number of nuclei that undergo fission to produce energy of 10 kWh in 1 s