When two mirrors are placed at an angle of 90º ...
When two mirrors are placed at an angle of 90º to each other, how many images will be formed when an object is placed in front of the mirrors
5
4
3
2
Correct answer is C
When two mirror are inclined at an angle θ, the number of images formed, n = 360θ − 1
∴ since θ = 90o
∴ 360θ − 1
= 4 − 1
= 3
Three cells each of emf, 1.0 V, and internal resistance, 2 Ω, are connected in parallel acr...
The density P of a spherical ball of diameter d and mass m is given by ...
The image formed by a convex mirror is always ...
The diagram above illustrates a velocity-time graph. Determine the distance between X and Y. ...
Which of the following factors has no effect on the e.m.f. of a primary cell? ...
The radioisotope 23592U decays by emitting two alpha particles, three beta particles and...