NEET 2002 Physics Paper: AIPMT

Power, Power Factor & Wattless Current

• (a)$\frac{V^2}{\left[\omega L - \frac{1}{\omega C}\right]}$
• (b)$I^2 L\omega$
• (c)$I^2 R$
• (d)$\frac{V^2}{C\omega}$

Charge Sharing & Loss of Energy

• (a)$\frac{C_1 V}{C_1 + C_2}$
• (b)$\frac{C_2 V}{C_1 + C_2}$
• (c)$\left(1 - \frac{C_2}{C_1}\right)V$
• (d)$\left(1 + \frac{C_2}{C_1}\right)$

Continuous Bodies: Standard Results & Variable Density

• (a)1.5 m
• (b)2 m
• (c)2.5 m
• (d)3.0 m.

Cells: EMF, Internal Resistance & Combinations

• (a)$\frac{10}{9}\Omega$
• (b)$\frac{9}{10}\Omega$
• (c)$\frac{11}{9}\Omega$
• (d)$\frac{5}{9}\Omega$

Ohm's Law, Resistivity & Temperature

• (a)increase in temperature
• (b)increase in cross-section area
• (c)increase in cross-section and decrease in length
• (d)decrease in cross secton area.

Cathode Rays, Thomson's Experiment & Gas Discharge

• (a)In produces heating effect
• (b)It does not deflect in electric field
• (c)It casts shadow
• (d)It produces fluorscence.

Matter Waves: de Broglie Wavelength

• (a)proton
• (b)$\alpha$-particle
• (c)neutron
• (d)$\beta$-particle

Photoelectric Effect: Einstein's Equation

• (a)infrared rays
• (b)X-rays
• (c)radio wave
• (d)micro wave

Photons: Energy, Momentum & Radiation Pressure

• (a)6.63 $\times$ 10$-$34 J/sec.
• (b)6.63 $\times$ 10$-$34 kg-m2/sec
• (c)6.63 $\times$ 10$-$34 kg-m2
• (d)6.63 $\times$ 10$-$34 J-sec.

Electromagnetic Spectrum & Atmosphere

• (a)X-rays
• (b)Ultraviolet rays
• (c)$\gamma$-rays
• (d)Cosmic rays

Electromagnetic Spectrum & Atmosphere

• (a)infra-red rays
• (b)ultra violet rays
• (c)X-rays
• (d)radio waves.

Nature of EM Waves & Wave Equation

• (a)$\vec{B}\times\vec{E}$
• (b)$\vec{E}\times\vec{B}$
• (c)$\vec{E}$
• (d)$\vec{B}$

Electric Potential & Equipotentials

• (a)maximum at surface
• (b)maximum at centre
• (c)remain same throughout the conductor
• (d)maximum somewhere between surface and centre.

Electrostatic Potential Energy

• (a)$\frac{-4\sqrt{2}q^2}{\pi\varepsilon_0 b}$
• (b)$\frac{-8\sqrt{2}q^2}{\pi\varepsilon_0 b}$
• (c)$\frac{-4q^2}{\sqrt{3}\,\pi\varepsilon_0 b}$
• (d)$\frac{8\sqrt{2}\,q^2}{4\pi\varepsilon_0 b}$

Gravitational Potential & Energy

• (a)$\frac{mgR}{4}$
• (b)$\frac{2}{3}mgR$
• (c)$\frac{3}{4}mgR$
• (d)$\frac{mgR}{2}$

Apparent Weight & Lift

• (a)9800 N
• (b)10,800 N
• (c)11,000 N
• (d)10,000 N.

Friction Basics

• (a)10 m/s2
• (b)5 m/s2
• (c)15 m/s2
• (d)0.5 m/s2.

Inertia, First & Second Laws

• (a)18$\hat{i}$ + 3$\hat{j}$
• (b)18$\hat{i}$ + 6$\hat{j}$
• (c)3$\hat{i}$ + 18$\hat{j}$
• (d)18$\hat{i}$ + 4$\hat{j}$

Vibration Magnetometer

• (a)T1 < T2
• (b)T1 = T2
• (c)T1 > T2
• (d)T2 = $\infty$

Biot-Savart Law & Circular Coils

• (a)B/4
• (b)B/2
• (c)4B
• (d)2B

Moving Charge in a Magnetic Field

• (a)$q\left(\vec{v} \times \vec{B}\right)$
• (b)$q\vec{E} + q\left(\vec{v} \times \vec{B}\right)$
• (c)$q\vec{E} + \vec{q}\left(\vec{B} \times \vec{v}\right)$
• (d)$q\vec{B} + \vec{q}\left(\vec{E} \times \vec{v}\right)$

Moving Coil Galvanometer, Ammeter & Voltmeter

• (a)high resistance in series with galvanometer
• (b)low resistance in series with galvanometer
• (c)high resistance in parallel with galvanometer
• (d)low resistance in parallel with galvanometer.

Law of Radioactive Decay

• (a)0.5 $\times$ 1016
• (b)2 $\times$ 1016
• (c)3.5 $\times$ 1016
• (d)1 $\times$ 1016

Nuclear Fission & Fusion

• (a)light nuclei
• (b)heavy nuclei
• (c)element lying in the middle of the periodic table
• (d)middle elements, which are lying on binding energy curve.

Nuclear Reactions & Q-value

• (a)7N13
• (b)5B10
• (c)4Be9
• (d)7N14

Damped, Forced Oscillations & Superposition

• (a)$\frac{1}{8}$
• (b)$\frac{2}{3}$
• (c)$\frac{1}{6}$
• (d)$\frac{1}{9}$

Energy in SHM

• (a)$\pm a$/2
• (b)+ $a$
• (c)$\pm a$
• (d)$-$ 1

Spring Systems

• (a)$t_0^2 = t_1^2 + t_2^2$
• (b)$t_0^{-2} = t_1^{-2} + t_2^{-2}$
• (c)$t_0^{-1} = t_1^{-1} + t_2^{-1}$
• (d)$t_0 = t_1 + t_2$

Horizontal Projectile & Inclined Plane

• (a)particle A will reach at ground first with respect to particle B
• (b)particle B will reach at ground first with respect to particle A
• (c)both particles will reach at ground simultaneously
• (d)both particles will reach at ground with same speed.

Optical Instruments & the Eye

• (a)2.32 m
• (b)4.28 mm
• (c)1.25 cm
• (d)12.48 cm

Spherical Surfaces & Thin Lenses

• (a)only $\frac{d}{4}$
• (b)only $\frac{d}{2}$
• (c)more than $\frac{d}{4}$ but less than $\frac{d}{2}$
• (d)less than $\frac{d}{4}$

Total Internal Reflection

• (a)$\frac{\sqrt{3}+1}{2}$
• (b)$\frac{\sqrt{2}+1}{2}$
• (c)$\sqrt{\frac{3}{2}}$
• (d)$\sqrt{\frac{7}{6}}$

Angular Momentum & its Conservation

• (a)linear momentum
• (b)angular momentum
• (c)kinetic energy
• (d)potential energy.

Moment of Inertia & Radius of Gyration

• (a)aluminium at interior and iron surround to it
• (b)iron at interior and aluminium surround to it
• (c)using iron and aluminium layers in alternate order
• (d)sheet of iron is used at both external surface and aluminium sheet as internal layers.

Rolling Motion

• (a)2 m
• (b)$\sqrt{\pi^{2} + 4}\text{ m}$
• (c)$\pi\text{ m}$
• (d)$\sqrt{\pi^{2} + 2}\text{ m}$

Rolling Motion

• (a)h = R
• (b)h = 2R
• (c)h = 0
• (d)no relation between h and R.

Junction Transistor

• (a)12
• (b)6
• (c)48
• (d)24

Logic Gates

• (a)NAND
• (b)XOR
• (c)NOR
• (d)OR.

Other / Mixed

• (a)9
• (b)4
• (c)2
• (d)1

P-N Junction Diode

• (a)high potential at n side and low potential at p side
• (b)high potential at P side and low potential at n side
• (c)p and n both are at same potential
• (d)undetermined.

P-N Junction Diode

• (a)in forward bias the voltage across R is V
• (b)in reverse bias the voltage across R is V
• (c)in forward bias the voltage across R is 2V
• (d)in reverse bias the voltage across R is 2V.

Heat Engines, Refrigerators & Second Law

• (a)100 K
• (b)600 K
• (c)400 K
• (d)500 K

Doppler Effect

• (a)385 Hz
• (b)374 Hz
• (c)394 Hz
• (d)333 Hz.

Progressive Wave Equation

• (a)$y = 0.2\sin\left[2\pi\left(6t + \frac{x}{60}\right)\right]$
• (b)$y = 0.2\sin\left[\pi\left(6t + \frac{x}{60}\right)\right]$
• (c)$y = 0.2\sin\left[2\pi\left(6t - \frac{x}{60}\right)\right]$
• (d)$y = 0.2\sin\left[\pi\left(6t - \frac{x}{60}\right)\right]$