The maximum and minimum magnitudes of the resultant of two given vectors are 17 units and 7 units respectively.If these two vectors are at right angles to each other.the magnitude of their resultant is
If water rises 4 cm in a long thin tube because of capillary action then under corresponding conditions of use.the rise (in the tube) of a liquid whose density is 2 g/cm3 will be
Radius of planet A is twice that of planet B and the density of A is one third that of B. the ratio of the acceleration due to gravity at the surface of A to that at the surface of B is
The terminal velocity of a 2 cm radius ball in liquid is 20 cms-1. What would be the terminal velocity if the radius of the ball were halved? Keeping the mass constant
The object is placed at the principle focus of a simple microscope if the focal length of the lens is 2cm what is the magnifying power of the microscope
In the Young's double slit experiment the separation between the slits is halved and the distance between the slits and the screen is doubled the fringe width is
The emf of a cell of negligible internal resistance is 2V. It is connected to the series
combination of 𝟐𝛀, 𝟑𝛀 𝐚𝐧𝐝 𝟓𝛀 resistance. The potential difference across 𝟑𝛀 resistance will be
in volt:
One of the followings sis used in genetic/molecular biology research because of rapid generation and rapidly increasing pool of genetic and biochemical information
Harriman Kennan, and Acheson were part of that inner ______ of the American diplomatic establishment whose distinguished legacy ______ U.S. foreign policy
Many people mistakenly believe that the bodys nutritional requirements remain the same regardless of the quantity and form of other nutrients ingested physical activity and emotional state
In a revolutionary development in technology, several manufacturers now make biodegradable forms of plastic; some plastic six. Pack rings, for example, gradually _______ when exposed to sunlight
