NEET Practice Questions

Q201. Plane angle and solid angle have:
  • both units and dimensions
  • units but no dimensions
  • dimensions but no units
  • no units and no dimensions
Exam: NEET – 2022
Q202. The mechanical quantity, which has dimensions of reciprocal of mass  $(M^{-1}),$  is:
  • angular momentum
  • coefficient of thermal conductivity
  • torque
  • gravitational constant
Exam: NEET – 2023
Q203. The diameter of a spherical bob, when measured with vernier callipers yielded the values: $3.33$ cm, $3.32$ cm, $3.34$ cm, $3.33$ cm and $3.32$ cm. The mean diameter to appropriate significant figures is:
  • $3.328$ cm
  • $3.3$ cm
  • $3.33$ cm
  • $3.32$ cm
Exam: NEET – 2023
Q204. The errors in the measurement which arise due to unpredictable fluctuations in temperature and voltage supply are:
  • Random errors
  • Instrumental errors
  • Personal errors
  • Least count errors
Exam: NEET – 2023
Q205. A metal wire has mass $(0.4\pm 0.002)~\text{g}$ , radius $(0.3\pm 0.001)~\text{mm}$ and length $(5\pm 0.02)~\text{cm}$ . The maximum possible percentage error in the measurement of density will nearly be:
  • $1.4 \%$
  • $1.2 \%$
  • $1.3 \%$
  • $1.6 \%$
Exam: NEET – 2023
Q206. The potential energy of a particle moving along the $x\text-$ direction varies as  ${V}=\dfrac{{A}x^{2}}{\sqrt{x}+{B}}.$  The dimensions of  $\dfrac{A^2}{B}$  are:
  • $[{M}^{3/2}{L}^{1/2}{T}^{-3}]$
  • $[M^{1/2}LT^{-3}]$
  • $[{M}^2{L}^{1/2}{T}^{-4}]$
  • $[ML^{2}T^{-4}]$
Exam: NEET – 2024
Q207. The pitch of an error-free screw gauge is $1~\text{mm},$ and there are $100$ divisions on the circular scale. While measuring the diameter of a thick wire, the pitch scale reads $1~\text{mm},$ and $63^\text{rd}$ division on the circular scale coincides with the reference line. The diameter of the wire is:
  • $1.63 ~\text{cm}$
  • $0.163 ~\text{cm}$
  • $0.163~\text m$
  • $1.63 ~\text m$
Exam: NEET – 2024
Q208. A vernier calipers has $1~\text{mm}$ marks on the main scale. It has $20$ equal divisions on the vernier scale which match with $16$ main scale divisions. The least count of this vernier calipers is:
  • $0.02~\text{mm}$
  • $0.05~\text{mm}$
  • $0.10~\text{mm}$
  • $0.20~\text{mm}$
Exam: NEET – 2024
Q209. Match List- I with List- II.
List-I 
(Measured values)		 List-II 
(Significant figures)
$\mathrm{(A)}$ $0.001213$ $\mathrm{(I)}$ $2$
$\mathrm{(B)}$ $2.1 \times 10^{16}$ $\mathrm{(II)}$ $3$
$\mathrm{(C)}$ $3.70$ $\mathrm{(III)}$ $1$
$\mathrm{(D)}$ $3000$ $\mathrm{(IV)}$ $4$

Choose the correct answer from the options given below:

  • $\small{\mathrm{A-III, B-II, C-I, D-IV}}$
  • $\small{\mathrm{A-III, B-I, C-II, D-IV}}$
  • $\small{\mathrm{A-I, B-II, C-IV, D-III}}$
  • $\small{\mathrm{A-IV, B-I, C-II, D-III}}$
Exam: NEET – 2024
Q210. The percentage errors in the measurement of mass and momentum of an object are $1\%$ and $2\%$ respectively. The percentage error in the measurement of kinetic energy of the object will be:
  • $1\%$
  • $3\%$
  • $4\%$
  • $5\%$
Exam: NEET – 2024
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