NEET 2024 Question Papers with Solution Explanation | mosaicbro.com

NEET 2024 Question Papers with Solution Explanation

#Neet #2024 #Past NEET 2024 Question Paper with Solution . All MCQs with correct keys.

7 of 50 questions (Page 3 of 8)

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15 A charged spherical shell has potential difference between points C and P (as shown) with \(\frac{1}{4πε_0} = 9 × 10^9 \, \text{SI}\):
Correct Answer: D
Explanation: Potential inside a charged shell is constant, so ΔV = 0.
16 The acceleration-time (a-t) graph matching the given velocity-time (v-t) graph is:
Correct Answer: C
Explanation: The v-t graph shows linear decrease, implying constant negative acceleration.
17 If a simple pendulum's mass is tripled and length halved, the new time period is \(\frac{x}{2}\) times original. The value of x is:
Correct Answer: B
Explanation: \(T_{new} = 2π\sqrt{\frac{L/2}{g}} = \frac{1}{\sqrt{2}}T_{original}\). Thus, \(x = 2\).
18 A 10 µF capacitor connected to 210 V, 50 Hz source has a peak current nearly:
Correct Answer: B
Explanation: Peak current \(I_0 = V_0 ω C = 210\sqrt{2} × 2π × 50 × 10^{-5} ≈ 0.93 \, \text{A}\).
19 For the T-V curves of an ideal gas at pressures \(P_1, P_2, P_3\) compared to Charles’s law (dotted lines), the correct relation is:
Correct Answer: D
Explanation: Higher pressure curves deviate more from Charles’s law (ideal low-pressure behavior).
20 An iron bar (length L, magnetic moment M) is bent at 60°. The new magnetic moment is:
Correct Answer: B
Explanation: Each arm has moment \(\frac{M}{2}\). Vertical component cancels; net moment = \(\frac{M}{2}\).
21 The minimum energy to launch a satellite of mass m into a circular orbit at altitude 2R from Earth (mass M, radius R) is:
Correct Answer: A
Explanation: Total energy = \(-\frac{GmM}{2(3R)} + \frac{GmM}{R} = \frac{5GmM}{6R}\).
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