While walking on ice, one should take small steps to avoid slipping. This is because smaller steps ensure
(a) larger friction (b) smaller friction (c) larger normal force (d) smaller normal force.
Small steps keep the angle between the leg and the vertical small i.e. angle between the contact force and vertical is small so the horizontal component of the contact force (Friction force) is small.
(i) Too many electrical appliances should not be operated on a single socket.
(ii) Too many high power rating electrical appliances should not be switched on at the same time.
(b) light goes from optically denser medium to rarer medium
EXPLANATION:
When the light goes from a denser medium to lighter medium, it goes away from the normal. When the angle of...
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