NEET Physics: Questions 1033 - 1035 of 2099
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Question number: 1033
Dispersion of light occurs because velocity of light in a material depends upon its color.
The dispersive power depends only upon the material of the prism, not upon the refracting angle of the prism.
|a.||Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ|
|b.||Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ|
|c.||Ꭺ is false but Ꭱ is true|
|d.||Both Ꭺ and Ꭱ are false|
Question number: 1034
Question number: 1035
In an experiment to determine the focal length (f) of a concave mirror by the u - v method, a student places the object pin A on the principal axis at a distance x from the pole P. The student looks at the pin and its inverted image from a distance keeping his/her eye in line with PA. When the student shifts his/her eye towards left, the image appears to the right of the object pin. Then,
x < f
x = 2 f
f < x < 2f
x > If