When a telescope is in normal use, the final image is at<...
When a telescope is in normal use, the final image is at
Infinity
The focus
The radius of curvature
The near point
Correct answer is A
No explanation has been provided for this answer.
The purpose of a dielectric material in a parallel plate capacitor is to ...
Which of the following statements about the universal gravitational constant, G, is true? ...
A cell of internal resistance 2 π supplies current to a 6 π resistor. The efficiency of the ce...
Electricity is supplied to a school along a cable of total resistance 0.5Ω with the maximum curre...
The phase difference between waves P and q in the diagram above is ...
Which of the following statements about diode is correct? ...
The period of a 10 kHz radio wave traveling at 108 ms−1 is--...