Science, asked by pkalra1100, 10 months ago

20. Four light bulbs are
concealed from an observer
by an opaque wall as
shown. Without shifting
the positions of the observer
and the bulbs, how many
bulbs can the observer see
from the mirror?

Answers

Answered by Jasashmita1

${\huge{\red{\underline{\underline{\mathcal Answer :-}}}}}$

There will be two bulbs which will be visible to the observer, because the light on striking the mirror will fall on the two bulbs B3 and B4 which are in line with the reflected ray.

The Annswer will be 2

Answered by ItzUnic0rns

$<!DOCTYPE html><html><head><style>#grad1 {height: 300px;background-color: red; /* For browsers that do not support gradients */background-image: linear-gradient(to right, blue ,red,yellow,orange); /* Standard syntax (must be last) */}</style></head><body><div id="grad1" style="text-align:center;margin:auto;color:#000000;font-size:20px;font-weight:bold">2 is correct answer </div></body></html>$

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20. Four light bulbs areconcealed from an observerby an opaque wall asshown. Without shiftingthe positions of the observerand the bulbs, how manybulbs can the observer seefrom the mirror?​

Answers

20. Four light bulbs are
concealed from an observer
by an opaque wall as
shown. Without shifting
the positions of the observer
and the bulbs, how many
bulbs can the observer see
from the mirror?