A concave lens of focal length 20cm form an image 1/2 the...
A concave lens of focal length 20cm form an image 1/2 the size of the object. The object distance is
100cm
100q
60cm
607
None of the above
Correct answer is C
No explanation has been provided for this answer.
Which of the following scientist suggested that moving particles exhibit wave properties? ...
The half-life of a radioactive substance is 2 seconds. Calculate the decay constant ...
The period of oscillation of a particle executing simple harmonic motion is 4π seconds. If the...
Pick out the scalar quantity ...
Thermionic emission is the process whereby? ...
Three 2-µF capacitors are arranged as seen in the circuit above . The effective capacitance be...