Identify the equivalent logic gate represented by the circuit given below:
1. \(\text{OR}\)
2. \(\text{NOR}\)
3. \(\text{AND}\)
4. \(\text{NAND}\)
Subtopic: Logic gates |
64%
Level 2: 60%+
NEET - 2022
Hints
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 the same. |
| 2. | pressure on the base area of vessels \(A\) and \(B\) is not the same. |
| 3. | both vessels \(A\) and \(B\) weigh the same. |
| 4. | vessel \(B\) weighs twice that of \(A\). |
Subtopic: Pressure |
73%
Level 2: 60%+
NEET - 2022
Hints
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 |
81%
Level 1: 80%+
NEET - 2022
Hints
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 |
Subtopic: Stokes' Law |
69%
Level 2: 60%+
NEET - 2022
Hints
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%
Level 2: 60%+
NEET - 2022
Hints
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. | \(\dfrac{2I}{3}\) |
Subtopic: Polarization of Light |
83%
Level 1: 80%+
NEET - 2022
Hints
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 |
71%
Level 2: 60%+
NEET - 2022
Hints
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. |
Subtopic: Young's Double Slit Experiment |
68%
Level 2: 60%+
NEET - 2022
Hints
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 |
79%
Level 2: 60%+
NEET - 2022
Hints
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 |
72%
Level 2: 60%+
NEET - 2022
Hints
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