Two copper vessels \(A\) and \(B\) have the same base area but are of different shapes. \(A\) takes twice the volume of water that \(B\) requires to fill up to a particular common height. Then the correct statement among the following is:
1.
pressure on the base area of vessels \(A\) and \(B\) is same.
2.
pressure on the base area of vessels \(A\) and \(B\) is not same.
3.
both vessels \(A\) and \(B\) weigh the same.
4.
vessel \(B\) weighs twice that of \(A\).
Subtopic: Pressure |
69%
From NCERT
NEET - 2022
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The distance between the two plates of a parallel plate capacitor is doubled, and the area of each plate is halved. If \(C\) is its initial capacitance, its final capacitance is equal to:
| 1. | \(2C\) | 2. | \(\dfrac{C}{2}\) |
| 3. | \(4C\) | 4. | \(\dfrac{C}{4}\) |
Subtopic: Capacitance |
78%
From NCERT
NEET - 2022
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The terminal velocity of a copper ball of radius \(5~\text{mm}\) falling through a tank of oil at room temperature is \(10~\text{cm}~\text{s}^{-1}\) . If the viscosity of oil at room temperature is \(0.9~\text{kg}~\text{m}^{-1}~\text{s}^{-1}\), the viscous drag force is:
1. \(8.48 \times10^{-3}\) N
2. \(8.48 \times10^{-5}\) N
3. \(4.23 \times10^{-3}\) N
4. \(4.23 \times10^{-6}\) N
1. \(8.48 \times10^{-3}\) N
2. \(8.48 \times10^{-5}\) N
3. \(4.23 \times10^{-3}\) N
4. \(4.23 \times10^{-6}\) N
Subtopic: Stokes' Law |
65%
From NCERT
NEET - 2022
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If \(\vec F=2\hat i+\hat j-\hat k\) and \(\vec r=3\hat i+2\hat j-2\hat k,\) then the scalar and vector products of \(\vec F\) and \(\vec r\) have the magnitudes, respectively, as:
1. \(5, ~\sqrt3\)
2. \(4,~ \sqrt5\)
3. \(10, ~\sqrt2\)
4. \(10,~2\)
1. \(5, ~\sqrt3\)
2. \(4,~ \sqrt5\)
3. \(10, ~\sqrt2\)
4. \(10,~2\)
Subtopic: Vector Product |
75%
From NCERT
NEET - 2022
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After passing through a polarizer, a linearly polarized light of intensity \(I\) is incident on an analyser making an angle of \(30^\circ\) with the axes of the polariser. The intensity of light emitted from the analyser will be:
1. \(\dfrac{I}{2}\)
2. \(\dfrac{I}{3}\)
3. \(\dfrac{3I}{4}\)
4. \(\dfrac{2I}{3}\)
1. \(\dfrac{I}{2}\)
2. \(\dfrac{I}{3}\)
3. \(\dfrac{3I}{4}\)
4. \(\dfrac{2I}{3}\)
Subtopic: Polarization of Light |
79%
From NCERT
NEET - 2022
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The restoring force of a spring, with a block attached to the free end of the spring, is represented by:
| 1. |  |
2. |  |
| 3. |  |
4. |  |
Subtopic: Spring mass system |
66%
From NCERT
NEET - 2022
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If the screen is moved away from the plane of the slits in Young's double slit experiment, then the:
1. angular separation of the fringes increases.
2. angular separation of the fringes decreases.
3. linear separation of the fringes increases.
4. linear separation of the fringes decreases.
1. angular separation of the fringes increases.
2. angular separation of the fringes decreases.
3. linear separation of the fringes increases.
4. linear separation of the fringes decreases.
Subtopic: Young's Double Slit Experiment |
63%
From NCERT
NEET - 2022
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The effective capacitances of two capacitors are \(3~\mu \text{F}\) and \(16~\mu \text{F}\), when they are connected in series and parallel respectively. The capacitance of two capacitors are:
1. \(10 ~\mu \text{F}, ~6~\mu \text{F}\)
2. \(8 ~\mu \text{F}, ~8~\mu \text{F}\)
3. \(12~\mu \text{F},~ 4~\mu \text{F}\)
4. \(1.2~\mu \text{F},~1.8~\mu \text{F}\)
1. \(10 ~\mu \text{F}, ~6~\mu \text{F}\)
2. \(8 ~\mu \text{F}, ~8~\mu \text{F}\)
3. \(12~\mu \text{F},~ 4~\mu \text{F}\)
4. \(1.2~\mu \text{F},~1.8~\mu \text{F}\)
Subtopic: Combination of Capacitors |
76%
From NCERT
NEET - 2022
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The distance covered by a body of mass \(5\) g having linear momentum \(0.3\) kg-m/s in \(5\) s is:
1. \(300\) m
2. \(30\) m
3. \(3\) m
4. \(0.3\) m
1. \(300\) m
2. \(30\) m
3. \(3\) m
4. \(0.3\) m
Subtopic: Newton's Laws |
69%
From NCERT
NEET - 2022
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A gravitational field is present in a region, and a mass is shifted from \(A\) to \(B\) through different paths as shown. If \(W_1\), \(W_2\) and \(W_3\) represent the work done by the gravitational force along their respective paths, then:
1. \(W_1=W_2=W_3\)
2. \(W_1>W_2>W_3\)
3. \(W_1>W_3>W_2\)
4. \(W_1<W_2<W_3\)
1. \(W_1=W_2=W_3\)
2. \(W_1>W_2>W_3\)
3. \(W_1>W_3>W_2\)
4. \(W_1<W_2<W_3\)
Subtopic: Gravitational Potential Energy |
85%
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NEET - 2022
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