NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Physics: Questions 1052 - 1056 of 5119
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Question 1052
Question MCQ▾
A girl stands at a distance 30 cm from the mirror. She is able to see her erect image but of height of actual height. The mirror will be:
Choices
Choice (4) | Response | |
---|---|---|
a. | Plane convex mirror | |
b. | Concave mirror | |
c. | Plane mirror | |
d. | Convex mirror |
Question 1053
Question Assertion-Reason▾
Assertion(Ꭺ)
When an object is placed between two plane parallel mirrors. Then all the images found are of different intensity.
Reason(Ꭱ)
In case of plane parallel mirrors, only two images are possible.
Choices
Choice (4) | Response | |
---|---|---|
a. | Ꭺ is false but Ꭱ is true | |
b. | Both Ꭺ and Ꭱ are false | |
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 1054
Question MCQ▾
An equiconvex lens has a power of 5 diopter. If it is made of glass of refractive index 1.5 then the radius of the curvature of each surface will be
Choices
Choice (4) | Response | |
---|---|---|
a. | 10 cm | |
b. | 5 cm | |
c. | zero | |
d. | 20 cm |
Question 1055
Question MCQ▾
In case of thin lens of focal length an object is placed at a distance from first focus and its image is formed at a distance from the second focus, find
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 1056
Question MCQ▾
A ball is dropped from a height of 20 m above the surface of water in a lake. The refractive index of water is . A fish inside the lake, in the line of fall of the ball, is looking at the ball. At an instant, when the ball is 12.8 m above the water surface, the fish sees the speed of ball is,
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |