Nuclear fission of one atom of uranium-235 produces the e...
Nuclear fission of one atom of uranium-235 produces the energy equivalent to about __________ MeV.
20
200
500
1000
Correct answer is B
No explanation has been provided for this answer.
Absolute zero pressure can be attained at a temperature of ...
A solar cell converts the sunlight directly into __________ energy. ...
Speisses is a mixture of the following: ...
Which of the following fastening devices has a head at one end and a nut fitted to the other ? ...
Energy of the sun arises mainly from __________ reactions. ...