# NEET MCQ for Physics 19

NEET MCQ for Physics 19

Q.1.Who was the inventor of lightning conductor?
A) Benjamin Franklin
B) Einstein
C) Lord Lister
D) Graham Bell

Q.2.Quality factor and power factor both have the dimensions of
A) Time
B) Frequency
C) Work
D) Angle

Q.3.Parsec is the unit of
A) Time
B) Distance
C) Frequency
D) Acceleration

Q.4.1 fermi is equal to
A) 10^-15 mm
B) 10^-15 cm
C) 10^-14 m
D) 10^-15 m

Q.5.Two capacitors C and C are charged to 120 V and 200 V respectively. It is found that by connecting them together the potential on each one can be made zero. Then
A) 5C1 = 3C2
B) 3C1=5C2
C) 3C1+5C2= 0
D) 9C1-4C2

Q.6.What do we call the part of the “DTH Satellite dish” that converts the signals from electromagnetic or radio waves to electrical signals?
A) Orthomode transducer (OMT)
B) Low-noise block converter (LNB)
C) Block upconverter (BUC)
D) Parabolic Dish

Q.7.Which among the following comes under the study area of Psychrometrics?
A) Relative Humidity
B) Physical and thermodynamic properties of gas-vapor mixtures
C) Theory and technique of educational and psychological measurement
D) Atmospheric Pressure at Colder Regions of the World

Q.8.Which one of the following types of Laser is used in Laser Printers?
A) Semiconductor laser
B) Excimer Laser
C) Dye Laser
D) Gas Laser

Q.9.Which of the followings is not a fundamental physical quantity?
A) Mass
B) Length
C)Temperature
D) Density

Q.10.When Ozone is heated its volume will…?
A) Increases
B) Decreases
C) Remains unchanged
D) First Increase, then decrease

Q.11.“Svedberg Unit” is a unit of ___?
A) Concentration
B) Size
C) Density
D) Time

Q.12.Consider the following comparisons between the Resourcesat-1 and Resourceset-2:
The Resourceset-2 will be able to collect data from a wider strip of the Earth’s surface
The Resourceset -2 will provide remote sensing data services for entire globe, in contrast with some selected area by Resourcesat-1
The Resourcesat-2 has been launched with additional payload known as AIS (Automatic Identification System) from COMDEV, Canada as an experimental payload for ship surveillance in VHF band
Which among the above statement is/are correct?
A) Only 1 is correct
B) Only 2 is correct
C) 1 & 3 are correct
D) 2 & 3 are correct

Q.13.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.14.Mirage is due to
A) Unequal heating of different parts of the atmosphere
B) Magnetic disturbances in the atmosphere
C) Depletion of ozone layer in the atmosphere
D) Equal heating of different parts of the atmosphere

Q.15.Light from the Sun reaches us in nearly
A) 2 Minutes
B) 4 Minutes
C) 8 Minutes
D) 16 Minutes

Q.16.Stars which appear single to the naked eye but are double when seen through a telescope are
A) Novas and supernovas
B) Binaries
C) Asteroids
D) Quasars

Q.17.Identify the vector quantity from the following
A) Heat
B) Angular momentum
C) Time
D) Work

Q.18.One should not connect a number of electrical appliances to the same power socket because
C) This can damage the electrical meter
D) The appliance will not get full voltage

Q.19.A 10 Kg block of Iron has which of the following twice in value in comparison to a 5 Kg block of Iron?
1. Inertia
2. Mass
3. Volume
Select the correct option from the codes given below:
A) Only 1 & 2
B) Only 2
C) Only 1 & 3
D) 1, 2 & 3

Q.20.It is easier to roll a stone up a sloping road than to lift it vertical upwards because
A) Work done in rolling is more than in lifting
B) Work done in lifting the stone is equal to rolling it
C) Work done in both is same but the rate of doing work is less in rolling
D) Work done in rolling a stone is less than in lifting it

Q.21.It is easier to roll a barrel full of coal tar than to pull it because
A) The full weight of the barrel comes into play when it is pulled
B) The rolling friction is much less than the sliding friction
C) More surface area of the barrel is in contact with the road when it is pulled
D) Coal tar is a liquid and it flows in the barrel when it is rolled

Q.22.Ohm is a unit of measuring
A) Resistance
B) Voltage
C) Current
D) None of the above

Q.23.A pendulum is taken to Moon, its time period will______?
A) Increases
B) Decreases
C) Remains constant
D) Either increase or decrease

Q.24.An arrow is shot into air. Its range is 200 m and its time of flight is 5 second. If g = 10 m/s2, the horizontal component of velocity of arrow is
A) 25 m/s
B) 30 m/s
C) 35 m/s
D) 40 m/s

Q.25.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