NEET Physics: Questions 1044 - 1047 of 2099
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Question number: 1044
The size of the mirror doesn’t affect the nature of the image.
Small mirror always forms a virtual image.
|a.||Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ|
|b.||Ꭺ is false but Ꭱ is true|
|c.||Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ|
|d.||Ꭺ is true but Ꭱ is false|
Question number: 1045
A double convex lens has focal length 10 cm. When the lens is immersed in water its focal length becomes 40 cm.
|a.||Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ|
|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: 1046
A convex lens is made out of a substance of 1.2 refractive index. The two surfaces of lens are convex. If this lens is placed in water whose refractive index is 1.33 it will behave as:
Plane glass plate
like a prism
Question number: 1047
An ac source is connected to a resistive circuits. Which of the following statements are false?
(1) Current leads-the voltage
(2) Current lags behind the voltage
(3) Any of (1) or (2) may be true depending upon the value of resistance
(4) Current and voltage are in same phase
Select the correct answers and mark it according to the following codes:
2 and 4 are correct
1 and 3 are correct
1, 2 and 3 are correct
1 and 2 are correct