WebCalculate the number of images formed by two plane mirrors kept at an angle of 30∘, 72∘ and 90∘ respectively. Assume the object is placed symmetrically with respect to both the mirrors in all the three cases. ... If an object is placed symmetrically between two plane mirrors inclined at an angle of 72 ... WebApr 6, 2024 · Construction of kaleidoscope. (1) The kaleidoscope consists of three long and narrow strips of plane mirrors inclined at 60° to one another forming a hollow prism, and fitted into a cardboard tube. (2) One end of the cardboard tube is closed by an opaque disc (cardboard disc) having a small hole at its centre.

If two plane mirrors are inclined at an angle of 120° to

WebApr 2, 2024 · Two plane mirrors are inclined at $70^\circ $. A ray incident on one mirror at angle $\theta ,$ after reflection falls on the second mirror and is reflected from there parallel to the first mirror. The value of $\theta .$ A. $45^\circ … WebJun 10, 2024 · Question 7. Define the angle of reflection. Answer: The angle between the reflected ray and the line perpendicular to the reflecting surface at the point of incidence is known as the angle of reflection. Question 8. A ray of light is incident on a … tim hortons latte caffeine

Two plane mirrors makes an angle of `120^(@)` with each other.

WebJul 5, 2011 · Use the formula:- angle of deviation between initial ray and final ray= (360-2#) where # is the angle of inclination between two mirrors. First find out angle of deviation then put the value in the formula. Here angle of deviation is … WebFeb 22, 2024 · How many images of an object will be formed when the object is placed between two plane mirrors which are inclined at the following angles to one another? (a) ... Where, θ = Angle between mirrors (a) n = 360°/120° - 1 = 3 - 1 = 2 images (b) n = 360°/45° - 1 = 8 - 1 = 7 images tim hortons learning