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AIIMS (All India Institute of Medical Sciences) Physics: Questions 454 - 459 of 500
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Question 454
Appeared in Year: 2002
Question MCQ▾
A sample of radioactive element is containing active nuclei. Half life of element is 10 days, then number of decayed nuclei after 30 days –
[AIPMT]
Choices
Choice (4) | Response | |
---|---|---|
a. | 0.5 × 1015 | |
b. | 3.5 × 1015 | |
c. | 2 × 1015 | |
d. | 1 × 1015 |
Question 455
Question MCQ▾
Calculated the kinetic energy of a point charge of at . This charge is initially at rest at the origin. And a uniform electric field of is in direction.
Choices
Choice (4) | Response | |
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a. | ||
b. | ||
c. | ||
d. |
Question 456
Question MCQ▾
The De – Broglie wavelength of neutron of energy is –
Choices
Choice (4) | Response | |
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a. | ||
b. | ||
c. | ||
d. |
Question 457
Question MCQ▾
If the work function of a metal is and the wavelength of incident photon is , than what is the maximum kinetic energy of photo electrons?
Choices
Choice (4) | Response | |
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a. | ||
b. | ||
c. | ||
d. |
Question 458
Appeared in Year: 2007
Question MCQ▾
In Young՚s double slit experiment when wavelength of is used then fringe width of is obtained. If wavelength of is used then what is the fringe width? [RPMT]
Choices
Choice (4) | Response | |
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a. | ||
b. | ||
c. | ||
d. |
Question 459
Question MCQ▾
A rod of magnetic material having cross section is putting in magnetizing field. Magneticflux passes through the rod is . Then magnetic susceptibility and magnetization of the road is, respectively –
Choices
Choice (4) | Response | |
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a. | ||
b. | ||
c. | ||
d. |