Messages posted by tejasvi2389

It is also practically observed during experimentation that if i>c TIR occurs. The answer for 'why' for this fact can be explained from the wavefronts (Huygens principle) of wave optics

Its plane not plain
Light ray confining its travel (journey) in a single (restricted) plane is plane polarised lite

First give 1ball to each box
The remaining 27 balls can be distributed in the 3 boxes in 27C3 ways
Therefore required no. of ways is 1X27C3=27C3

The answers are a)(n-1)/2n
b)(n-1)/(nsquared)
c)(2n-1)/2n

It is not for suits it is for cards drawn that the Q is asked

Ans 2 The bottom end of the mirror should be at a height of h/2 from the feet of the person to get a clear full image of himself

In EMI Conc of Phy HC Verma Vol 2

Problem 20 in exercise, prob 54 Pg no. 307 and 310

A draws a card from n cards marked 1,2,....n. The card is replaced in the pack and B draws a card. Then the probability that

a)A draws a larger card than B is ___

b) A draws one greater than B is ___

c)A draws an even number is_____

but what first is the meaning of same denomination?

give the answer in both cases

mean thermal power= (1/2) E^2/R
emf induced across the 2 ends of the semicircle = 2a^2BW

Q1. 4 cards are drawn from a pack of cards. Then the probability of getting the same denomination is_________

Hi

I'm Teja

I have 2 simple Qs to be solved

1.Vanderwaals forces are max in

a)HBrb)LiBrc)LiCld)AgBr

2.Whys AgF more soluble in water then AgCl etc

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