One mole of a monoatomic ideal gas undergoes the process \(A\rightarrow B\) in the given \(P-V\) diagram. The molar heat capacity for this process is:

1. \(\frac{3R}{2}\)
2. \(\frac{13R}{6}\)
3. \(\frac{5R}{2}\)
4. \(2R\)

Subtopic:  Molar Specific Heat |
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NEET 2023 - Target Batch - Aryan Raj Singh
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A pan with a set of weights is attached to a light spring. The period of vertical oscillation is \(0.5~\mathrm{s}\). When some additional weights are put in the pan, then the period of oscillations increases by \(0.1\mathrm{~s}\). The extension caused by the additional weight is:
1. \(5.5 \mathrm{~cm} \)
2. \(3.8 \mathrm{~cm} \)
3. \(2.7 \mathrm{~cm} \)
4. \(1.3 \mathrm{~cm}\)

Subtopic:  Simple Harmonic Motion |
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A cylinder of radius \(R\) and length \(L\) is placed in a uniform electric field \(E\) parallel to the cylinder axis. The total flux for the surface of the cylinder is given by:
1. \(2\pi R^2E\)
2. \(\frac{\pi R^2}{E}\)
3. \(\frac RE\)
4. zero

Subtopic:  Gauss's Law |
 56%
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If A + B = C and that C is perpendicular to A. What is the angle between A and B, if |A| = |C|?
1. \(\frac{\pi}{4}~\text{rad}\)
2. \(\frac{\pi}{2}~\text{rad}\)
3. \(\frac{3\pi}{4}~\text{rad}\)
4. \(\pi~\text{rad}\)

 

Subtopic:  Scalar Product |
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A beam of light travelling along X-axis is described by the electric field Ey = 600 V/m. \(\sin~\omega \Big(t-\frac xc\Big),\) the maximum magnetic force on a charge q = 2e, moving along Y-axis with the speed of 3 × 108 m/s is:
1.  19.2 × 10-17 N
2.  1.92 × 10-17 N
3.  0.192 N
4.  None of these
Subtopic:  Properties of EM Waves |
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A body is whirled in a horizontal circle of radius \(25~\mathrm{cm}\). It has an angular velocity of \(13~\mathrm{rad/s}\). What is its linear velocity at any point on a circular path?
1. \( 2 \mathrm{~m} / \mathrm{s} \)
2. \( 3 \mathrm{~m} / \mathrm{s} \)
3. \( 3.25 \mathrm{~m} / \mathrm{s} \)
4. \( 4.25 \mathrm{~m} / \mathrm{s}\)
Subtopic:  Circular Motion |
 67%
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In the given figure, potential difference between \(A\) and \(B\) is:

1. 0
2. \(5~\mathrm{V}\)
3. \(10~\mathrm{V}\)
4. \(15~\mathrm{V}\)

Subtopic:  PN junction |
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A block having 12 g of an element is placed in a room. This element is a radioactive element with a half-life of 15 yr. After how many years will there be just 1.5 g of the element in the box?
1.  40 yr
2.  45 yr
3.  20 yr
4.  15 yr

Subtopic:  Radioactivity (OLD NCERT) |
 65%
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In the given figure what will be the coefficient of mutual inductance?

1. \(\frac{\mu_0a}{2\pi}in\Big(1+\frac{a}{2b}\Big)\)
2. \(\frac{\mu_0a}{\pi}in\Big(1+\frac{b}{2a}\Big)\)
3. \(\frac{\mu_0a}{2\pi}in\Big(1+\frac{a}{b}\Big)\)
4. \(\frac{\mu_0a}{2\pi}in\Big(1+\frac{b}{a}\Big)\)

Subtopic:  Mutual Inductance |
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An \(L-C-R\) series circuit with a resistance of \(100~\Omega\) is connected to \(200~\mathrm{V}\) (AC source) and angular frequency \(300~\mathrm{rad/s}\). When only the capacitor is removed, then the current lags behind the voltage by \(60^\circ\). When only the inductor is removed the current leads the voltage by \(60^\circ\). The average power dissipated in the original \(L-C-R\) circuit is:
1. \( 50 \mathrm{~W} \)
2. \( 100 \mathrm{~W} \)
3. \( 200 \mathrm{~W} \)
4. \( 400 \mathrm{~W}\)
Subtopic:  Different Types of AC Circuits |
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