Question
If a coin is tossed repeatedly and the head appears for
the first 94 times then what is the probability that the tail appears on the 95th toss?Solution
In every toss, probability of having either tail or head is always `1/2` . No matter how many times we have tossed, each and every toss is different. So, for 95th toss the probability of having tail is `1/2` .
What conditions must be met for stationary waves to form?
The momentum of a body depends on:
Who defined the law of gravitation?Β
For which type of motion, the distance time graph is not a straight line and can be any kind of curve?
Velocity of the sound is minimum in-
The important unit of a microprocessor is β
Vivek was walking in the park. On the way he found a stone lying. He picked the stone and threw it up in the sky. After few seconds, he observed that th...
Which medium cannot propagate sound waves?
What is the SI unit of G β the universal gravitation constant?
In the atmosphere ultraviolet rays are absorbed by β