For the correction of myopic defects in the human eye we ...
For the correction of myopic defects in the human eye we require
a convex lens
a concave lens
a combination of concave and convex lenses
a prism
a concave mirror
Correct answer is B
No explanation has been provided for this answer.
A brass cube of side 10cm is heated through 30°C. If the linear expansivity of brass is 2.0 &tim...
Which of the following pairs of rays shows the widest separation in the spectrum of white light? ...
The temperature of an object is raised by 120°C. The resulting increase in its absolute temperat...