A progressive sound wave is a means of transferring energy. A progressive sound waveof constant frequency is generated in air. The intensity of energy transfer is directlyproportional to another of the wave parameters. Which of the following is correct?
A body moves a distance of 10 m along a straight line under the action of a force of 5 Newton.If the work done is 25 joules. the angle which the force takes with the direction of motion of the body is:
If source and observer are moving towards each other with same speed and aftercrossing they are
receding each other then frequency observed by observer:
For total internal reflection to take place, the angle of incidence must be ______ than critical angle and the light should travel from ______ to ______ medium
A body of mass 5 kg is moving with a momentum of 10 kg m/s.A force of 0.2 N acts on it in the direction of motion of the body for 10 seconds.The increase in its kinetic energy is
Thick-walled dormant bodies formed during differentiation of vegetative cells that resist desiccation and can germinate under suitable conditions are called
When Frazer's editors at Macmillan tried to ______ his endless augmentations, he insisted on a type size so small and a page so packed as to approach illegibility; and if that proved ______ thinner paper
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
The authority of voice in Frazer's writing strikes many readers today as ______ colonialism; his prose seems as invulnerable and expansive as something on which the sun was presumed never to set
