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AIIMS (All India Institute of Medical Sciences) Physics: Questions 330 - 333 of 500
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Question 330
Question MCQ▾
Velocity of light in a liquid is and in air, it is . If a ray of light passes from this liquid into air, the critical angle will be –
Choices
Choice (4) | Response | |
---|---|---|
a. | 450 | |
b. | 300 | |
c. | 600 | |
d. | Question does not provide sufficient data or is vague |
Question 331
Appeared in Year: 1997
Question MCQ▾
A coil of copper having 900 turns is placed in a magnetic field perpendicular to its plane. The cross sectional area of the coil is 0.5 m2. If it turns through 180° in 0.02 sec, then the induced emf in the coil is –
Choices
Choice (4) | Response | |
---|---|---|
a. | 0.2 V | |
b. | 135 V | |
c. | 0.4 V | |
d. | 35 V |
Question 332
Question MCQ▾
The tension in a piano wire is 20N. What should be the tension in the wire to produce a note of three times of the frequency?
Choices
Choice (4) | Response | |
---|---|---|
a. | 120N | |
b. | 110N | |
c. | 140N | |
d. | 180N |
Question 333
Appeared in Year: 2002
Question Assertion-Reason▾
Assertion(Ꭺ)
The flash of lighting is seen before the sound of thunder is heard.
Reason(Ꭱ)
Speed of sound is greater than speed of light.
Choices
Choice (4) | Response | |
---|---|---|
a. | Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ | |
b. | Both Ꭺ and Ꭱ are false | |
c. | Ꭺ is true but Ꭱ is false | |
d. | Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ |