A transparent medium separated from – the surrounding medium by atleast two plane surfaces which are inclined

Correct answer is (C) 8 or 9

1. True.  2. False. Whenever two bodies at different temperature are in contact, there is a transfer of heat.

Correct option is  C) 2 × 108

Correct option is  D) lens

C) only (a) is true

1. If an object is kept between two plane mirrors inclined at an angle θ, multiple images (N) are formed due to multiple reflections from both the mirrors. 2. The number...

D) The angle between the incident ray and refracted ray is called angle of deviation.

The object is kept symmetrically between two plane mirrors. This implies the object is placed at angle bisector. Thus, for θ = 38°, n = \(\frac{360}{38}\) = 9.47 As it is not integral, N =...

Correct Answer - A Ammonia, as it is readily soluble, is generally excreted by diffusion across body surfaces or through gill surfaces (in fish) as ammonium ions. Kidneys do not play...

In case (i) the refractive index of the medium 2 is less than the refractive index of medium 1 because the ray of light speeds up. While in case (ii) the...