The energy that will be ideally radiated by a \(100\) kW transmitter in \(1\) hour is:
1. \(1\times 10^{5}\) J
2. \(36\times 10^{7}\) J
3. \(36\times 10^{4}\) J
4. \(36\times 10^{5}\) J
Subtopic: Power |
74%
From NCERT
NEET - 2022
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An ideal gas undergoes four different processes from the same initial state as shown in the figure below. Those processes are adiabatic, isothermal, isobaric, and isochoric. The curve which represents the adiabatic process among \(1,\) \(2,\) \(3\) and \(4\) is:
| 1. | \(4\) | 2. | \(1\) |
| 3. | \(2\) | 4. | \(3\) |
Subtopic: Types of Processes |
75%
From NCERT
NEET - 2022
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Plane angle and solid angle have:
| 1. | both units and dimensions |
| 2. | units but no dimensions |
| 3. | dimensions but no units |
| 4. | no units and no dimensions |
Subtopic: Dimensions |
78%
From NCERT
NEET - 2022
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In half-wave rectification, if the input frequency is \(60\) Hz, then the output frequency would be:
1. \(120\) Hz
2. zero
3. \(30\) Hz
4. \(60\) Hz
1. \(120\) Hz
2. zero
3. \(30\) Hz
4. \(60\) Hz
Subtopic: Rectifier |
64%
From NCERT
NEET - 2022
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When two monochromatic lights of frequency, \(\nu\) and \(\dfrac{\nu}{2}\) are incident on a photoelectric metal, their stopping potential becomes \(\dfrac{V_{s}}{2}\) and \(V_s\), respectively. The threshold frequency for this metal is:
| 1. | \(\dfrac{3}{2} \nu\) | 2. | \(2\nu\) |
| 3. | \(3\nu\) | 4. | \(\dfrac{2}{3} \nu\) |
Subtopic: Einstein's Photoelectric Equation |
69%
From NCERT
NEET - 2022
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The displacement-time \((s\text-t)\) graphs of two moving particles \(A~\text{and}~B\) make angles of \(30^\circ\) and \(45^\circ\) with the \(x\text-\)axis as shown in the figure. The ratio of their respective velocity \(\left(\dfrac{v_A}{v_B}\right) \) is:
| 1. | \(1: \sqrt{3}\) | 2. | \(\sqrt{3}: 1\) |
| 3. | \(1:1\) | 4. | \(1:2\) |
Subtopic: Graphs |
72%
From NCERT
NEET - 2022
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The dimensions \([MLT^{-2}A^{-2}]\) belong to the:
1. electric permittivity
2. magnetic flux
3. self-inductance
4. magnetic permeability
1. electric permittivity
2. magnetic flux
3. self-inductance
4. magnetic permeability
Subtopic: Dimensions |
From NCERT
NEET - 2022
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The peak voltage of the AC source is equal to:
| 1. | \(1 / \sqrt{2}\) times the rms value of the AC source. |
| 2. | the value of voltage supplied to the circuit. |
| 3. | the rms value of the AC source. |
| 4. | \(\sqrt{2}\) times the rms value of the AC source. |
Subtopic: RMS & Average Values |
76%
From NCERT
NEET - 2022
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The ratio of the distances travelled by a freely falling body in the \(1\)st, \(2\)nd, \(3\)rd and \(4\)th second is:
| 1. | \(1:1:1:1\) | 2. | \(1:2:3:4\) |
| 3. | \(1:4:9:16\) | 4. | \(1:3:5:7\) |
Subtopic: Uniformly Accelerated Motion |
80%
From NCERT
NEET - 2022
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A body of mass \(60~ \text{g}\) experiences a gravitational force of \(3.0~\text{N}\) when placed at a particular point. The magnitude of the gravitational field intensity at that point is:
| 1. | \(180 ~\text{N/kg}\) | 2. | \(0.05 ~\text{N/kg}\) |
| 3. | \(50 ~\text{N/kg}\) | 4. | \(20 ~\text{N/kg}\) |
Subtopic: Gravitational Field |
71%
From NCERT
NEET - 2022
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