A converging lens of focal length 5cm forms a virtual ima...
A converging lens of focal length 5cm forms a virtual image which is 20cm from the lens. How far from the lens is the object?
2.0cm
4.0 cm
6.7cm
20.0cm
25.0cm
Correct answer is B
No explanation has been provided for this answer.
Which of the following statements are true in the structure of atoms? ...
An image which can be formed on a screen is said to be ...
I. Mass II. Density III. Temperature IV. Nature of substance which of the above affect diffusion...
The small droplet of water that forms on the grass in the early hours of the morning is ...
If ∆x is the uncertainty in the measurement of the position of a particle along the x-axis and ∆...
The inner diameter of a test tube can be measured accurately using a? ...
Which of the following waves are longitudinal waves? I. Ripples on the surface of water II. Wave...