JEE Advance - Physics (1982)

1
Write the dimensions of the followings in terms of mass, time, length and charge
(i) magnetic flux
(ii) rigidity modulus
Answer
A
B
2
A particle is moving eastwards with a velocity of 5 m/s. In 10s the velocity changes to 5 m/s northwards. The average acceleration in this time is
Answer
(B)
$${1 \over {\sqrt 2 }}m/{s^2}$$ towards north-west
3
In the arrangement shown in Fig. the ends P and Q of an unstretchable string move downwards with uniform speed U. Pulleys A and B are fixed.
Mass M moves upwards with a speed IIT-JEE 1982 Physics - Laws of Motion Question 22 English
Answer
(B)
$${U \over {\cos \theta }}$$