Past Years NEET

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Unspecified year 16 questions

  1. If energy (E), velocity (V) and time (T) are chosen as the fundamental quantities, the dimensional formula of surface tension will be:
  2. If dimensions of critical velocity $v_{c}$ of a liquid flowing through a tube are expressed as $[\eta^{x}\rho^{y}r^{x}]$, where $\eta$, $\rho$ and r are the coefficient of viscosity of liquid, density of liquid and radius of the tube respectively, then the values of x, y and z are given by:
  3. Planck's constant (h), speed of light in vacuum (c) and Newton's gravitational constant (G) are three fundamental constants. Which of the following combinations of these has the dimension of length?
  4. A physical quantity of the dimensions of length that can be formed out of c, G and $e^{2}/(4\pi\varepsilon_{0})$ is [ c is velocity of light, G is universal constant of gravitation and e is charge]
  5. In an experiment, the percentage of error occurred in the measurement of physical quantities A, B, C and D are 1%, 2%, 3% and 4% respectively. Then the maximum percentage of error in the measurement X, where $X = (A^{2}B^{1/2})/(C^{1/3}D^{3})$ will be:
  6. The unit of thermal conductivity is:
  7. Dimensions of stress are:
  8. Taking into account of the significant figures, what is the value of 9.99m - 0.0099m?
  9. If E and G respectively denote energy and gravitational constant, then $E/G$ has the dimensions of
  10. If force $[F]$, acceleration $[A]$ and time $[T]$ are chosen as the fundamental physical.quantities. Find the dimensions of energy.
  11. The dimensions $[MLT^{-2}A^{-2}]$ belong to the:
  12. Plane angle and solid angle have:
  13. Match List-I with List-II.
  14. The area of a rectangular field (in $m^{2}$ ) of length 55.3m and breadth 25m after rounding off the value of correct significant digits is:
  15. The errors in the measurement which arise due to unpredictable fluctuations in temperature and voltage supply are
  16. A metal wire has mass $(0.4 \pm 0.002)g$, radius $(0.3 \pm 0.001)mm$ and length $(5 \pm 0.02)cm$. The maximum possible percentage error in the measurement of density will nearly be