Question
A biased six-faced dice when thrown, is thrice as likely
to show an odd number than an even number. If it is thrown twice, then the probability that the sum of two numbers thrown is odd will be:Solution
The correct answer is A
A car increases its speed from 20 m/s to 60 m/s in 8 seconds. Find its acceleration. Â
A wire is stretched by a force such that it experiences a strain of 2 x 10-3. If Young’s modulus of the material is 2 x 1011 Pa,...
When an electric current flows, electrons move from:
Two point charges +q and −q are separated by a distance 2a. The electric field at a point on the perpendicular bisector at distance r from center is p...
What is the effect of a magnetic field on a current carrying conductor? Â
If n resistors with R Ω each as resistance are connected in parallel, then the equivalent resistance of the network is:
The electric and magnetic fields of an electromagnetic wave are _____________
The surface tension of water on adding detergent to it –
A machine does 600 J of work in 2 minutes. Find its power. Â
The phenomenon of interference is based on the principle of:
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