The speed \((s)\) of a car as a function of time \((t)\) is shown figure, The distance travelled by the car in \(8\) seconds is:
| 1. | \(180~\text{m}\) | 2. | \(60~\text{m}\) |
| 3. | \(80~\text{m}\) | 4. | \(18~\text{m}\) |
Subtopic: Graphs |
81%
Level 1: 80%+
NEET - 2024
Hints
The equivalent resistance \(R_{AB}\) between points \(A\) and \(B\) in the given network is:
| 1. | \(1R\) | 2. | \({\dfrac35}R\) |
| 3. | \({\dfrac78}R\) | 4. | \({\dfrac58}R\) |
Subtopic: Combination of Resistors |
70%
Level 2: 60%+
NEET - 2024
Hints
\(L,C\) and \(R\) represent the value of inductance, capacitance, and resistance, respectively. The factor which has the same dimensions as that of the inverse of the resonance frequency is:
| 1. | \(\sqrt{LC}\) | 2. | \(\sqrt{\dfrac{L}{C}}\) |
| 3. | \(\dfrac{C}{L}\) | 4. | \(\dfrac{R}{L}\) |
Subtopic: Different Types of AC Circuits |
78%
Level 2: 60%+
NEET - 2024
Hints
If \(F=\alpha t^2-\beta t \) is the magnitude of the force acting on a particle at an instant \(t,\) then the time at which the force becomes constant is (where \(\alpha \) and \(\beta \) are constants):
| 1. | \(\dfrac{\beta}{\alpha}\) | 2. | \(\dfrac{\beta}{2\alpha}\) |
| 3. | \(\dfrac{2\beta}{\alpha}\) | 4. | zero |
Subtopic: Differentiation |
67%
Level 2: 60%+
NEET - 2024
Hints
Radiation of wavelength \(280~\text{nm}\) is used in an experiment of photoelectric effect with cathode of work function, \(2.5~\text{eV}.\) The maximum kinetic energy of the photoelectrons is:
(take \(h=6.62\times10^{-34}~\text{J s}\) and \(c=3\times10^{8}~\text{ms}^{-1}\))
(take \(h=6.62\times10^{-34}~\text{J s}\) and \(c=3\times10^{8}~\text{ms}^{-1}\))
| 1. | \(4.4~\text{eV}\) | 2. | \(7.103\times10^{-15}~\text{J}\) |
| 3. | \(1.9~\text{eV}\) | 4. | \(4.60~\text{eV}\) |
Subtopic: Einstein's Photoelectric Equation |
74%
Level 2: 60%+
NEET - 2024
Hints
For a prism, when the light undergoes minimum deviation, the relationship between the angle of incidence \((i)\) and the angle of emergence \((i')\) is:
| 1. | \(i=i'\) | 2. | \(i>i'\) |
| 3. | \(i<i'\) | 4. | \(i=0\) |
Subtopic: Prisms |
81%
Level 1: 80%+
NEET - 2024
Hints
Given below are two statements:
In the light of the above statements, choose the correct answer from the options given below:
| Assertion (A): | A glass tube partially filled with water represents an open organ pipe. |
| Reason (R): | The open end corresponds to an antinode and the end in contact with water, to a node. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True and (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | (A) is False but (R) is True. |
Subtopic: Standing Waves |
67%
Level 2: 60%+
NEET - 2024
Hints
Given below are two statements:
In the light of the above statements, choose the most appropriate answer from the options given below:
| Statement I: | The de Broglie wavelength associated with a material particle depends on its charge and nature. |
| Statement II: | The wave nature of particles in sub-atomic domain is significant and measurable. |
| 1. | Both Statement I and Statement II are correct. |
| 2. | Both Statement I and Statement II are incorrect. |
| 3. | Statement I is correct but Statement II is incorrect. |
| 4. | Statement I is incorrect but Statement II is correct. |
Subtopic: De-broglie Wavelength |
Level 3: 35%-60%
NEET - 2024
Hints
A solar cell is a:
| 1. | forward biased Zener diode. |
| 2. | type of light-emitting diode. |
| 3. | diode working on the principle of photo-voltaic effect. |
| 4. | type of photo-diode with external biasing. |
Subtopic: Applications of PN junction |
72%
Level 2: 60%+
NEET - 2024
Hints
The graph that shows the correct variation of \(\dfrac{1}{v}\) with \(\dfrac{1}{u}\) for a concave mirror, where \(u\) is the object distance and \(v\) is the image distance, is:
| 1. |  |
2. |  |
| 3. |  |
4. |  |
Subtopic: Reflection at Spherical Surface |
52%
Level 3: 35%-60%
NEET - 2024
Hints
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