OnlineCBT
Physics · PYQ NEET UG 2016(2)
Practice questions & answers
Find a question, read its answer and explanation, then practise related questions.
Physics PYQ NEET UG 2016(2) · Clear filters
45 questions
Physics · PYQ NEET UG 2016(2)
Three sound waves of equal amplitudes have frequencies \( (n-1) \), \( n \), \( (n+1) \). They superimpose to give beats. The number of beats produced per second will be
Read answer →Physics · PYQ NEET UG 2016(2)
त्रिज्या R वाली पृथ्वी के केंद्र से शुरू करते हुए, g (गुरुत्वीय त्वरण) का परिवर्तन किसके द्वारा दर्शाया गया है?
Read answer →Physics · PYQ NEET UG 2016(2)
A parallel plate capacitor of area A, plate separation d and capacitance C is filled with four dielectric materials having dielectric constants \( k_1, k_2, k_3 \) and \( k_4 \) as shown in the figure. If a single dielectric material is to be used to have the same capacitance C in this capacitor, then its dielectric constant k is given by
Read answer →Physics · PYQ NEET UG 2016(2)
The potential differences across the resistance, capacitance and inductance are 80 V, 40 V and 100 V respectively in an L-C-R circuit. The power factor of this circuit is
Read answer →Physics · PYQ NEET UG 2016(2)
Three liquids of densities \( \rho_1, \rho_2 \) and \( \rho_3 \) (with \( \rho_1 > \rho_2 > \rho_3 \)), having the same value of surface tension T, rise to the same height in three identical capillaries. The angles of contact \( \theta_1, \theta_2 \) and \( \theta_3 \) obey
Read answer →Physics · PYQ NEET UG 2016(2)
A satellite of mass m is orbiting the earth (of radius R) at a height h from its surface. The total energy of the satellite in terms of \( g_0 \), the value of acceleration due to gravity at the earth's surface, is
Read answer →Physics · PYQ NEET UG 2016(2)
An electric dipole is placed at an angle of \( 30^\circ \) with an electric field intensity \( 2 \times 10^5\text{ N/C} \). It experiences a torque equal to \( 4\text{ Nm} \). The charge on the dipole, if the dipole length is \( 2\text{ cm} \), is
Read answer →Physics · PYQ NEET UG 2016(2)
A bar magnet is hung by a thin cotton thread in a uniform horizontal magnetic field and is in equilibrium state. The energy required to rotate it by \( 60^\circ \) is W. Now the torque required to keep the magnet in this new position is
Read answer →Physics · PYQ NEET UG 2016(2)
A linear aperture whose width is \( 0.02\text{ cm} \) is placed immediately in front of a lens of focal length \( 60\text{ cm} \). The aperture is illuminated normally by a parallel beam of wavelength \( 5 \times 10^{-5}\text{ cm} \). The distance of the first dark band of the diffraction pattern from the centre of the screen is
Read answer →Physics · PYQ NEET UG 2016(2)
In the given figure, \( a = 15 \text{ m/s}^2 \) represents the total acceleration of a particle moving in the clockwise direction in a circle of radius \( R = 2.5 \text{ m} \) at a given instant of time. The speed of the particle is
Read answer →Physics · PYQ NEET UG 2016(2)
The second overtone of an open organ pipe has the same frequency as the first overtone of a closed pipe \( L \) metre long. The length of the open pipe will be
Read answer →Physics · PYQ NEET UG 2016(2)
The interference pattern is obtained with two coherent light sources of intensity ratio n. In the interference pattern, the ratio \( \frac{I_{\max} - I_{\min}}{I_{\max} + I_{\min}} \) will be
Read answer →Physics · PYQ NEET UG 2016(2)
Photons with energy \( 5\text{ eV} \) are incident on a cathode C in a photoelectric cell. The maximum energy of emitted photoelectrons is \( 2\text{ eV} \). When photons of energy \( 6\text{ eV} \) are incident on C, no photoelectrons will reach the anode A, if the stopping potential of A relative to C is
Read answer →Physics · PYQ NEET UG 2016(2)
The half-life of a radioactive substance is 30 minutes. The time (in minutes) taken between 40% decay and 85% decay of the same radioactive substance is
Read answer →Physics · PYQ NEET UG 2016(2)
A bullet of mass \( 10\text{ g} \) moving horizontally with a velocity of \( 400\text{ ms}^{-1} \) strikes a wooden block of mass \( 2\text{ kg} \) which is suspended by a light inextensible string of length \( 5\text{ m} \). As a result, the centre of gravity of the block found to rise a vertical distance of \( 10\text{ cm} \). The speed of the bullet after it emerges out horizontally from the block will be
Read answer →Physics · PYQ NEET UG 2016(2)
A uniform magnetic field is restricted within a region of radius \( r \). The magnetic field changes with time at a rate \( \frac{dB}{dt} \). Loop 1 of radius \( R > r \) encloses the region \( r \) and loop 2 of radius \( R \) is outside the region of magnetic field. The induced e.m.f. generated is
Read answer →Physics · PYQ NEET UG 2016(2)
Planck's constant (h), speed of light in vacuum (c) and Newton's gravitational constant (G) are three fundamental constants. Which of the following combinations of these has the dimension of length?
Read answer →Physics · PYQ NEET UG 2016(2)
A light rod of length \( l \) has two masses \( m_1 \) and \( m_2 \) attached to its two ends. The moment of inertia of the system about an axis perpendicular to the rod and passing through the centre of mass is
Read answer →Physics · PYQ NEET UG 2016(2)
Two rotating bodies A and B of masses m and 2 m with moments of inertia \( I_A \) and \( I_B \) (\( I_B > I_A \)) have equal kinetic energy of rotation. If \( L_A \) and \( L_B \) be their angular momenta respectively, then
Read answer →Physics · PYQ NEET UG 2016(2)
