When a number of identical small magnets are arranged in a line, the strength of…
When a number of identical small magnets are arranged in a line, the strength of the resultant magnet…
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Dispersion of light by a glass prism is due to the
Dispersion of light by a glass prism is due to the A. different colours of the glass B.…
Which of the following pairs is NOT part of the electromagnetic spectrum? i. Radio waves….
Which of the following pairs is NOT part of the electromagnetic spectrum? i. Radio waves. ii. Beta rays.…
Which of the following pairs is NOT part of the electromagnetic spectrum? i. Radio waves….
Which of the following pairs is NOT part of the electromagnetic spectrum? i. Radio waves. ii. Beta rays.…
A far sighted person cannot see objects that are less than 100cm away. If this…
A far sighted person cannot see objects that are less than 100cm away. If this person wants to…
When a yellow card is observed through a blue glass, the card would appear.
When a yellow card is observed through a blue glass, the card would appear. A. black B. green…
The magnification of the image of an object placed in front of a convex mirror…
The magnification of the image of an object placed in front of a convex mirror is (frac{1}{3}). If…
The plane mirrors in a kaleidoscope are usually placed
The plane mirrors in a kaleidoscope are usually placed A. at an angle of 60o B. parallel to…
Light of wavelength 5000 x 10-8cm travels in free space with a velocity of 3…
Light of wavelength 5000 x 10-8cm travels in free space with a velocity of 3 x 108ms-1. What…
Light of wavelength 5000 x 10-8cm travels in free space with a velocity of 3…
Light of wavelength 5000 x 10-8cm travels in free space with a velocity of 3 x 108ms-1. What…