NEET Physics: Questions 1048 - 1053 of 2099
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Question number: 1048
Question number: 1049
Convex mirror is preferred to a plane mirror, in vehicles, to observe traffic coming from behind.
A convex mirror provides wider field of view, then a plane mirror of the same size.
|a.||Ꭺ is true but Ꭱ is false|
|b.||Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ|
|c.||Ꭺ is false but Ꭱ is true|
|d.||Both Ꭺ and Ꭱ are false|
Question number: 1050
Dispersive power does not depend upon
(1) The shape of prism
(2) Angle of prism
(3) Height of the prism
(4) Material of prism
Select the correct answers and mark it according to the following codes:
1 and 2 are correct
1, 2 and 3 are correct
1 and 3 are correct
2 and 4 are correct
Read the passage given below and answer the questions that follow:
The electron density of a layer of ionosphere at a height 150 km from the earth surface is 9 x 10 10 per m 3. For the sky wave transmission from this layer up to a range of 250 km, find