A. Newton
B. Einstein
C. Raleigh
D. Planks
Correct Answer: Raleigh ✔
Last Updated: January 20, 2021
Related MCQs
- Michelson calculated the speed of light using the instruments__________?
- A convex lens acts as a diverging lens if the__________?
- Michelson devised the formula to calculate the speed of light__________?
- In optic fiber transmission the repeater are separated through a distance of __________ km in newer system?
- The function of collimeter in spectrometer is__________?
- Errors in the transmission of power through optic fiber can be minimized by using a__________?
- Magnification of the astronomical telescope is__________?
- In optic fiber transmission system __________ are used regenerate the dim light signal?
- The value of critical angle for glass is__________?
- A point where the incident parallel rays of light converge or appear to diverge after passing through a lens is called__________?
- Dioptre power of an concave lens of 10 cm focal length is__________?
- The minimum distance between an object and its real image in a convex lens is__________?
- A convex lens gives a virtual image only when the objects lies__________?
- Image of an object 5 mm high is only 1 cm high. Magnification produced by lens is__________?
- Least distance of distinct vision__________?
- Two convex lenses of equal focal length f are placed in contact the resultant focal length of the combination is__________?
- For normal adjustment, length of astronomical telescope is__________?
- Final image produced by a compound microscope is__________?
- In multimode step index fibre the refractive index of core and cladding is__________?
- A convex lens of focal length f1 and a concave lens of focal length f2 are placed in contact. The focal length of the combination is__________?
- If a convex lens of large aperture fails to converge the light rays incident on it to a single point, it is said to suffer from__________?
- The least distance of distinct vision for a normal eye is__________?
- Magnifying power of simple microscope__________?
- If an object is placed away from 2f of a converging lens then the image will be__________?
- The power of a concave lens is__________?
- Unit of power of a lens is__________?
- The diameter of a lens is called__________?
- A lens which converges a beam of parallel rays to a point is called__________?