The most suitable type of mirror used for the constructio...
The most suitable type of mirror used for the construction of the search light is the?
concave mirror
convex mirror
spherical mirror
parabolic mirror
Correct answer is D
In optics, parabolic mirrors are used to gather light in reflecting telescopes and solar furnaces, and project a beam of light in flashlights, searchlights, stage spotlights, and car headlights.
The expansion of solids can be considered a disadvantage in the ...
All the heat generated in a 5Ω resistor by 2A flowing for 30 seconds is used to evaporate 5...
Which of the following statements are true of the law of universal gravitation? ...
The limiting frictional force between two surface depends on I. the gaseous reaction between t...
A swinging pendulum between the rest position and its maximum displacement possesses ...