Choose the appropriate answer.
Affected means to influence or touch by external factor whereas Effected means cause to happen. In the sentence a word that means to influence is required. Hence, affected is the right choice for the blank.
What is the momentum of an object of mass 1/2 m, moving with a velocity of 2V?
Ultrasonic waves, propagating through a medium, can be detected by:
Newton's rings can be obtained in:
A stone thrown upward with a speed ’u’ from the top of the tower reaches the ground with a speed ‘3u’. The height of the tower is-
The ratio of the amplitudes of the electric field and magnetic field strengths has the same dimensions as that of:
Two spherical soap bubbles of radii r1 and r2 coalesce to form a bubble of radius R. If surface tension of soap solution is T, atmospheric pressure is ...
________ are the elements of group 18.
Which of the following is not an insulator?
Which of the following pairs of phenomena illustrate the particle nature of the electromagnetic radiation?
In a concave mirror which of the following pair of position of object – size of the image is correct?
I. At infinity – point sized