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.
From the diagram above, the measuring accuracy of the micrometer screw gauge is ...
Which of the following actions will not increase the sensitivity of a moving coil galvanometer? ...
The resultant force in a couple is ...
Which of the following statements about photoelectrons is correct? ...
The graph above shows the expansion of water as the temperature increases from 0°C. Which of the...
A source of sound produces waves in air of wavelength 1.65m. If the speed of sound in air ...
The force per unit charge experienced at a point in a field is the ...