Question
A train is running with the speed of 72 kmph crosses a
pole in 25 sec. In how much time it can cross a 160 m long platform?Solution
Let the length of train be โxโ meter. => x = 25 x 72 x (5/18) = 500 m Time required to cross the platform = (500 + 160)/[72 x (5/18)] = 660/20 = 33 sec
Electrical fuse is used to interrupt excess of _________.
Which of the following statements best describes the relationship between static friction and the normal force?
Which Nobel Gas is also known as โStranger Gasโ?
The S.I. unit of the electric flux is
What type of image is always formed by a convex mirror?
The motion of a freely falling body is an example of ______________ accelerated motion.
Which of the following Instrument is used to measure humidity?
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The instrument which uses sound waves to measure the depth of oceans is โ
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