Scalar and Vector NEET MCQ. We covered all the Scalar and Vector NEET MCQ in this post for free so that you can practice well for the exam.
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MCQ on Scalar and Vector for NEET Students
Which of the following is a scalar?
(A) Energy of thermal neutron
(B) Electric field
(C) Velocity of air
(D) Torque
Option a – Energy of thermal neutron
The SI units of specific heat are
(A) Joule
(B) Joule/kg-K
(C) Joule/K
(D) Joule/mole-K
Option b – Joule/kg-K
The wavelength of light is 60 microns. Its value in meters is
(A) 0.000006 m
(B) 0.06 m
(C) 0.00006 m
(D) 0.0006 m
Option c – 0.00006 m
If the error encountered while performing the experiment is due to fluctuation of voltage then, the most possible error will be
(A) system error.
(B) personal error.
(C) random error.
(D) instrumental error.
Option c – random error.
Assertion: Out of the four measurements x = 0.5 m, x = 0.50 m, x = 0.500 m, and x = 0.5000 m, the last one is more accurate. Reason: In every measurement, only the last significant digit is not accurately known.
(A) Assertion is True, Reason is True; Reason is a correct explanation for Assertion.
(B) Assertion is True, Reason is True; Reason is not a correct explanation for Assertion.
(C) The assertion is True, Reason is False.
(D) Assertion is False, Reason is True.
Option a – Assertion is True, Reason is True; Reason is a correct explanation for Assertion.
The velocity of a racing car recorded by four sensors is 150 m/s, 151 m/s, 152 m/s, and 149 m/s respectively. The average absolute error is
(A) 0.2 m/s
(B) 1 m/s
(C) 0.5 m/s
(D) 2 m/s
Option b – 1 m/s
The length and breadth of a metal sheet are 4.28 m and 2.06 m respectively. The area of the sheet up to correct significant figures is
(A) 8.83 m²
(B) 8.82 m²
(C) 8.816 m²
(D) 8.817 m²
Option b – 8.82 m²
Joule/second is equal to
(A) watt
(B) pascal
(C) tesla
(D) farad
Option a – watt
The length of a simple pendulum is about 90 cm known to have an accuracy of 2 mm. A clock of resolution 0.2 s is used to measure time for 200 oscillations. If the period of oscillation of a simple pendulum is 2 s, then what is the accuracy in the determined value of g?
(A) 20%
(B) 50 %
(C) 10%
(D) 30%
Option a – 20%
Assertion: Nuclear radii can be measured by the Fermi unit. Reason: Micron and angstrom are not considered the correct unit to measure nuclear radii as these are larger units.
(A) The assertion is True, Reason is True; Reason is a correct explanation for Assertion.
(B) The assertion is True, and Reason is True; Reason is not a correct explanation for Assertion.
(C) The assertion is True, Reason is False.
(D) The assertion is False, Reason is True.
Option a – The assertion is True, Reason is True; Reason is a correct explanation for Assertion.
The dimensional representation of latent heat is identical to that of
(A) angular momentum.
(B) gravitational potential.
(C) electric potential.
(D) internal energy.
Option b – gravitational potential.
If l = 4.221 cm, b = 2.1 cm, then l + b is equal to
(A) 6.31 cm
(B) 6 cm
(C) 6.62 cm
(D) 6.3 cm
Option d – 6.3 cm
What will be the magnitude of two forces if their magnitudes are in the ratio 1: 2, the angle between their direction is 30° and the magnitude of their resultant force is 30 N?
(A) 10.31 N, 20.62 N
(B) 9.63 N, 18.64 N
(C) 6.22 N, 12.44 N
(D) 1.26 N, 3.13 N
Option a – 10.31 N, 20.62 N
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