Doubts
Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents
Sign in to save progress →
Doubts
Sign in

Units and Measurements question

2021 · 27 Aug · Shift 2 · Q52
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Physics
  4. /Units and Measurements
  5. /2021 · 27 Aug · Shift 2 · Q52

Units and Measurements question

2021 · 27 Aug · Shift 2 · Q52

JEE MainPhysicsUnits and MeasurementsMCQ+4 / −1
Match List - I with List - II.

List - I List - II
(a) RH{R_H}RH​ (Rydberg constant) (i) kg m−1s−1kg\,{m^{ - 1}}{s^{ - 1}}kgm−1s−1
(b) h (Planck's constant) (ii) kg m2s−1kg\,{m^2}{s^{ - 1}}kgm2s−1
(c) μB{\mu _B}μB​ (Magnetic field energy density) (iii)  m−1\,{m^{ - 1}}m−1
(d) η\etaη (coefficient of viscocity) (iv) kg m−1s−2kg\,{m^{ - 1}}{s^{ - 2}}kgm−1s−2


Choose the most appropriate answer from the options given below :
  1. A
    (a)-(ii), (b)-(iii), (c)-(iv), (d)-(i)
  2. B
    (a)-(iii), (b)-(ii), (c)-(iv), (d)-(i)
  3. C
    (a)-(iv), (b)-(ii), (c)-(i), (d)-(iii)
  4. D
    (a)-(iii), (b)-(ii), (c)-(i), (d)-(iv)
PreviousNext

More from Units and Measurements

  • If force (F), length (L) and time (T) are taken as the fundamental quantities. Then what will be the dimension of density :2021 · MCQ
  • Assertion A : If in five complete rotations of the circular scale, the distance travelled on main scale of the screw gauge is 5 mm and there are 50 total divisions on circular scale, then least count is 0.001 cm. Reason R : Least Count = TotaldivisionsoncircularscalePitch​…2021 · MCQ
  • A physical quantity 'y' is represented by the formula y=m2r−4gxl−23​ If the percentage errors found in y, m, r, l and g are 18, 1, 0.5, 4 and p respectively, then find the value of x and p.2021 · MCQ
  • Match List - I with List - II. Choose the most appropriate answer from the option given below : Includes table2021 · MCQ
  • Which of the following equations is dimensionally incorrect? Where t = time, h = height, s = surface tension, θ= angle, ρ= density, a, r = radius, g = acceleration due to gravity, v = volume, p = pressure, W = work done, T =…2021 · MCQ
  • If velocity [V], time [T] and force [F] are chosen as the base quantities, the dimensions of the mass will be :2021 · MCQ
  • The diameter of a spherical bob is measured using a vernier callipers. 9 divisions of the main scale, in the vernier callipers, are equal to 10 divisions of vernier scale. One main scale division is 1 mm. The main scale reading is 10 mm…2021 · Numerical
  • The least count of the main scale of a vernier callipers is 1 mm. Its vernier scale is divided into 10 divisions and coincide with 9 divisions of the main scale. When jaws are touching each other, the 7th division of vernier scale…2020 · MCQ