# NEET MCQ for Physics 1

NEET MCQ for Physics 1

Q.1.The velocity of a body depends on time as v=20 +0.1t2. The body is undergoing
A) Uniform acceleration
B) Uniform retardation
C) Non-uniform acceleration
D) Non-uniform retardation

Q.2.Equipotential surfaces
A) Are closer in regions of large electric fields compared to regions of lower electric fields.
B) Will be more crowded near sharp edges of a conductor.
C) Will always be equally spaced.
D) Both (A) and (B) are correct.

Q.3.In the series combination of two or more than two resistances
A) The current through each resistance is same.
B) The voltage through each resistance is same.
C) Neither current nor voltage through each re-sistance is same.
D) Both current and voltage through each resistance are same.

Q.4.In physics, a radian per second is a unit of
A) Angular displacement
B) Angular velocity
C) Angular acceleration
D) Angular momentum

Q.5.The binding energy per nucleon is almost constant for many nuclei. It shows that nuclear forces are
A) Charge independent
B) Saturated in nature
C) Short range in nature
D) Attractive in nature

Q.6.In a common emitter amplifier circuit using an n-p-n transistor, the phase difference between the input and the output voltages will be:
A) 135°
B) 180°
C) 45°
D) 90°

Q.7. 1 Fermi is equal to
A) 10^-15 mm
B) 10^-15 cm
C) 10^-14 m
D) 10^-15 m

Q.8.The radiation corresponding to 3+2 transition of hydrogen atom falls on a metal surface to produce photoelectrons. These electrons are made to enter a magnetic field of 3 X 10+1. If the radius of the largest circular path followed by these electrons is 10.0 mm, the work function of the metal is close to
A) 0.8 eV
B) 1.6 eV
C) 1.8 eV
D) 1.1 eV

Q.9.Astronomical unit (AU) is the average distance between
A) The earth and the moon
B) The earth and the sun
C) The moon and the sun
D) The earth and the mars

Q.10. A pipe of length 85 cm is closed from one end. Find the number of possible natural oscillations of air column in the pipe whose frequencies lie below 1250 Hz. The velocity of sound in air is 340 m/s
A) 12
B) 8
C) 6
D) 4

Q.11.Work done by a force could be
A) Positive
B) Negative
C) Zero
D) All of these

Q.12.Half-lives of two radioactive elements A and B are 20 minutes and 40 minutes, respectively. Initially, the samples have equal number of nuclei After 80 minutes, the ratio of decayed numbers of A and B nuclei will be
A) 5:4
B) 1:16
C) 4:1
D) 1:4

Q.13.Which among the following principle is used by Bats?
B) SONAR (Sound Navigation & Ranging
C) Law of reflection
D) Law of diffraction

Q.14.India’s first Nobel Prize for Physics was claimed in 1930 by the renowned physicist Sir C.V. Raman for his work in which among the following fields?
A) Particle Physics
B) Optics
C) Thermodynamics
D) Quantum Mechanics

Q.15.In context with electromagnetism, which among the following is a correct definition of Permeability?
A) Ability of a material to repel magnetic field within itself
B) Ability of a material to support the formation of a magnetic field within another body
C) Ability of a material to support the formation of a magnetic field within itself
D) Ability of a material to create magnetic dipoles

Q.16.Ultrasound which is upper limit of human hearing is characterized by which of the following frequencies?
A) Above 20 KHZ
B) Above 200 KHz
C) Above 2 KHz
D) Below 20 KHz

Q.17.The speed of Sound is maximum in which of the following?
A) Air at zero degree C
B) Air at 100 degree C
C) Water
D) At all places it is maximum

Q.18.Which among the following waves are most commonly used in the Night Vision Devices?
A) Microwaves
B) Infra Red Waves
C) Ultra Violet Waves

Q.19.In elliptical orbit, speed of a planet is
A) Equal at all points
B) Maximum when it is closest to sun
C) Minimum when it is closest to sun
D) Continuously increasing

Q.20.Pressure of liquid depends on
A) Only on depth of liquid
B) Only on density of liquid
C) Only on acceleration due to gravity
D) All of the above three

Q.21.Going from equator to poles on earth’s surface, value of g
A) Decreases
B) Increase
C) Remains unchanged
D) Slightly less than that of equator

Q.22.Area under speed – time graph represents
A) Distance
B) Acceleration
C) Average acceleration
D) None of these

Q.23.The maximum horizontal range of a projectile is 400 m. the maximum height attained by it will be
A) 100 m
B) 200 m
C) 400 m
D) 800 m

Q.24.Atom bomb is based on the principle of
A) Nuclear fission
B) Nuclear fusion
C) Both
D) None of these

Q.25.Which of the following is correct for light diverging from a point source?
A) The intensity decreases in proportion with the distance squared.
B) The wave front is parabolic.
C) The intensity at the wavelength does not depend on the distance.
D) None of these.