Which of the following statements about defects of vision...
Which of the following statements about defects of vision is/are CORRECT?
i. for a long sighted person, close objects appear blurred.
ii. for a short sighted person, distant objects appear blurred.
iii. short sight is corrected by using a pair of converging lenses.
i only
ii only
i and ii only
ii and iii only
i, ii and iii
Correct answer is C
No explanation has been provided for this answer.
For semi conductor to have negative temperature coefficient of resistance implies that ...
Tha mass of a proton is approximately equal to that of ...
The reason for having a large number of turns in the coil of a moving coil galvanometer is to--...
Radio receivers are tuned using ...
Which of the following could be effectively used to reduce friction? ...
The energy required to separate the nucleus in an atom completely is known as ...
Which of the following instruments can be used to measure current in an a.c circuit? ...
A bar magnet is divided into two pieces, which of the following statement is correct? ...