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AIIMS (All India Institute of Medical Sciences) Physics: Questions 325 - 329 of 500
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Question 325
Question MCQ▾
The impedance of a circuit, when a resistance and a capacitor of capacitance are connected in series in an A. C. circuit of frequency 50 Hz is –
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 326
Question MCQ▾
A body standing on a long railroad car throws a ball straight upwards, the car is moving on the horizontal road with acceleration . The vertical velocity given is . How far behind the body the ball will fall on the railroad car?
Choices
Choice (4) | Response | |
---|---|---|
a. | 27 m | |
b. | 24 m | |
c. | 18 m | |
d. | 3 m |
Question 327
Question MCQ▾
A magnet makes 30 oscillations per minute at a place having magnetic field of . At another place, it takes 1.5 sec to complete one vibration. The value of earth՚s horizontal field at that place is:
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 328
Question MCQ▾
The ratio of intensities of two waves is 16: 1. When they superimpose, the ratio of maximum to minimum intensity will become –
Choices
Choice (4) | Response | |
---|---|---|
a. | 9: 25 | |
b. | 1: 16 | |
c. | 25: 9 | |
d. | 4: 1 |
Question 329
Question MCQ▾
A block of mass 20 kg is moving in x-direction with a constant speed of . It is subjected to a retarding force during its travel from to . Its final kinetic energy will be –
Choices
Choice (4) | Response | |
---|---|---|
a. | 850 joules | |
b. | 500 joules | |
c. | 920 joules | |
d. | 750 joules |