Question
Which command can change the default permissions for
files and directories at creation?Solution
The "chmod" command is used to change file permissions.
A sound with a single frequency is called a:
A rod PQ of length 0.6 m moves on smooth rails with speed 3 m/s in a magnetic field B = 0.5 T. The rails form a closed circuit with 4 Ω resistance. Fin...
What is the phenomenon of bending of light around corners called? Â
Why does a lemon appear larger when viewed from the side of a glass of water?
The weight (W) of a body is derived from which formula?
What is the phenomenon of the bending of light as it passes from one medium to another called? Â
Two identical piano wires have same fundamental frequency when kept under the same tension. What will happen if tension of one of the wire is slightly i...
In Young’s double-slit experiment, if the distance between slits is increased, fringe width:
In a plane electromagnetic wave. the electric field oscillates sinusoid ally at a frequency of 3 × 108 Hz and amplitude 36 V/m. Find the am...