Divisibility by ‘9’: Sum of the digits must be divisible by ‘9’. So, (4 + 7 + 9 + 3 + 8 + 5 + A + 2 + 6 + 7) must be divisible by ‘9’ Or, (51 + A) must be divisible by 9. So, A = 3
In which type of motion does the velocity of a body vary with time?
A meter stick moves along its length with a certain speed. The apparent length of the moving meter stick as measured by a stationary observer on the gr...
A positron is an anti-particle of an electron, having the same mass but opposite charge to electron. Then, the minimum energy released in annihilation ...
What is the momentum of an object of mass 1/2 m, moving with a velocity of 2V?
The reason for a swimming pool to appear less deep than the actual depth is –
The refractive indices of quartz crystal for right handed and left handed circularly polarized light of wavelength 762.9 nm are 1.5391 and 1.5392 respe...
Sounds of frequencies less than about ______ vibrations per second cannot be detected by the human ear.
An example of longitudinal waves (in a gas medium) is:
What is the angle between centripetal acceleration and tangential acceleration?
In MRI machine, which one of the following is used?
