NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 328 - 331 of 2184
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Question number: 328
Question
Two dielectric slabs of constant K 1 and K 2 have been filled in between the plates of a capacitor as shown below. What will be the capacitance of the capacitor?
Capacitor - Two Dielectric Slabs of Constant K1 and K2
Two dielectric slabs of constant K1 and K2 have been filled in between the plates of a capacitor
Choices
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Question number: 329
» Electrostatics » Coulomb's Law
Question
In the rectangle shown below, the two corners have charges q 1 = -5 μC and q 2 = +2.0 μC. Find the force acting on the q 2 due to q 1.
Rectangular Image Given Having Charge Values
In figure the rectangular having two charges at corners q1=-5 μC and q2 =+2.0 μC.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | -40N |
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| b. | -30N |
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| c. | -20N |
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| d. | -60N |
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Question number: 330
» Laws of Motion » Force and Inertia
Question
A stone of mass 1 kg tied to a light inextensible string of length L = 10/3 m is whirling in a circular path of radius L in a vertical plane. If the ratio of the maximum tension in the string to the minimum tension in the suing is 4 and if g is taken to be 10m/sec2, the speed of the stone at the highest point of the circle is
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 5√2m/sec |
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| b. | 10 m/sec |
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| c. | 20 m/sec |
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| d. | 10√3m/Sec |
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Question number: 331
» Rotational Motion » Angular Momentum
Question
A particle performs uniform circular motion with an angular momentum L. If the frequency of a particle’s motion is doubled and its kinetic energy is halved, the angular momentum becomes.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | L/2 |
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| b. | 2 L |
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| c. | 4 L |
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| d. | L/4 |
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