NEET MCQ for Physics 6
Q.1.The acceleration due to gravity on the moon is 1.6 meters per Second Square. On the moon, the time period of a pendulum whose length is 6.4 meters will be
A) p Seconds
B) 2p Seconds
C) 4p Seconds
D) 8p Seconds
Q.2.Brayton cycle consists of following four processes
A) Two isothermals and two isentropics
B) Two isentropics and two constant volumes
C) Two isentropics, one constant volume and one constant pressure
D) Two isentropics and two constant pressures
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.4.Which of the following statement is false for the properties of electromagnetic waves?
A) Both electric and magnetic field vectors attain the maxima and minima at the same place and same time.
B) The energy in electromagnetic waves is divided equally between electric and magnetic field vectors.
C) Both electric and magnetic field vectors are parallel to each other and perpendicular to the direction of propagation of wave.
D) These waves do not require any material medium for propagation.
Q.5.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
Q.6.An open glass tube is immersed in mercury in such a way that a length of 8 cm extends above the mercury level. The open end of the tube is then closed and sealed and the tube is raised vertically up by additional 46 cm. What will be length of the air column above mercury in the tube now? (Atmospheric pressure – 76 cm of Hg)
A) 38 cm
B) 6 cm
C) 16 cm
D) 22 cm
Q.7.Arrange the following electromagnetic radiations per quantum in the order of increasing energy: A: Blue light B: Yellow light C:X-ray D: Radio wave
A) B, A, D, C
B) D, B, A, C
C) A, B, D, C
D) C, A, B, D
Q.8.Assuming human pupil to have a radius of 0.25 cm and a comfortable viewing distance of 25 cm, the minimum separation between two objects that human eye can resolve at 500 nm wavelength is
A) 1 μm
B) 30 μm
C) 100 μm
D) 300 μm
Q.9.An observer is moving with half the speed of light towards a stationary microwave source emitting waves at frequency 10 GHz. What is the frequency of the microwave measured by the observer? (Speed of light = 3 x 108 ms1)
A) 17.3 GHz
B) 15.3 GHz
C) 0.1 GHz
D) 12.1 GHz
Q.10.Which of the following principles is being used in SONAR technology?
A) Laws of thermodynamics
B) Reflection of electromagnetic waves
C) Newton’s laws of motion
D) Reflection of ultrasonic waves
Q.11.The dimensional formula for universal gravitational constant G is
Q.12.A force of 49 N is just able to move a block of wood of mass 10 kg on a rough horizontal surface. The coefficient of friction is
Q.13.Viscosity is that property by virtue of which a liquid
A) Opposes the relative motion of its own different parts
B) Repels its nearby molecules
C) Attracts the other molecules
D) Becomes conductor
Q.14.A person is standing in front of a wall and makes a sound. What should be the normal minimum distance between the person and the wall, so that the person hears echo?
A) 6 meters
B) 13 meters
C) 20 meters
D) 17 meters
Q.15.Main reason of viscosity in gases is
A) Adhesive force
B) Cohesive force
C) Gravitational force
Q.16.Consider the following:
Help ISRO in Research
Help Department of Space in New Discoveries
Commercially sell Products & Services of Indian Space
Which among the above is/are the correct objectives of ANTRIX?
A) 1 & 2
B) 2 & 3
C) Only 2
D) Only 3
Q.17.The asteroid belt is a region of the Solar System located roughly between the orbits of which among the following planets?
A) Earth & Mars
B) Mars & Jupiter
C) Jupiter and Saturn
D) Saturn and Pluto
Q.18.India’s First Moon Mission Chandrayaan was launched on which among the following dates?
A) October 27, 2007
B) October 22, 2008
C) November 23, 2008
D) December 17, 2008
Q.19.At which among the following points, the high tides are lower than usual and low tides are higher than usual?
A) New Moon
B) Full Moon
Q.20.Siphon will fail to work if
A) The densities of the liquid in the two vessels are equal
B) The level of the liquid in the two vessels are at the same height
C) Both its limbs are of unequal length
D) the temperature of the liquids in the two vessels are the same
Q.21.Large transformers, when used for some time, become very hot and are cooled by circulating oil. The heating of the transformer is due to
A) The heating effect of current alone
B) Hysteresis loss alone
C) Both the heating effect of current and hysteresis loss
D) Intense sunlight at noon
Q.22.Optical fiber works on the
A) Principle of refraction
B) Total internal reflection
Q.23.Radio telescopes are better than optical telescopes because
A) They can detect faint galaxies which no optical telescope can
B) They can work even in cloudy conditions
C) They can work during the day and night
D) All of the above
Q.24.Who among the following is the chairman of Council of Scientific and Industrial Research (CSIR)?
A) Prime Minister of India
B) Minister of Science & Technology
C) Secretary, Department of Technology
D) None of them
Q.25.Which among the following is measured by an Odometer?