Question

[5x1=5]
i)
The force of interaction between two atoms is given by
F = ußexp(-ART
1
where x is the distance, K is the Boltzmann
ii)
constant and T is the temperature. The dimensions ofa and B are
respectively.
a) [ML°T-2), [MLT) b) [M°L-?T'],[MºL2T 41
c) [M-12°T?], [M?LT 41 d) [MLT-21,[ML?T?
Three vectors P, and Ř satisfy the relation P. = 0 and PR = 0. The
vector P is parallel to
a)
OR
b) Ř c) į d) 0 x
Two balls are thrown from the top of a tower, one straight down with an
initial velocity u and other straight up with the same velocity u. They hit
the ground with speeds in the ratio
a) 1:1 b) 1:2
2:1 d) 2:3
A particle is projected at 60° to the horizontal with a kinetic energy K.
The kinetic energy at the highest point is
a)
b) K/4 c) K/2 d) K
iii)
iv)
zero
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Answer 1

Answer:

The force of interaction between two atoms is given by F=αβ exp(−

αkt

x

2

); where x is the distance, k is the Boltzman constant and T is temperature and α and β are two constants. The dimension of β is