Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents

Your guest activity stays on this device

Sign in to save progress →
Sign in

Units and Measurement question

2021 · Q127
Guest · filters and generic practice availableBrowsing as a guest · PYQ filters and generic practice are available. Sign in only for personalised features and saved progress.
  1. PYQ Library
  2. /NEET
  3. /Physics
  4. /Units and Measurement
  5. /2021 · Q127

Units and Measurement question

2021 · Q127

NEETPhysicsUnits and MeasurementMCQ+4 / −1
The E and G respectively denote energy and gravitational constant, then EG{E \over G}GE​ has the dimensions of :
  1. A
    [M2] [L−-−2] [T−-−1]
  2. B
    [M2] [L−-−1] [T0]
  3. C
    [M] [L−-−1] [T−-−1]
  4. D
    [M] [L0] [T0]
View written solutionFree

Correct answer: B

E = energy = [ML2T−-−2]

G = Gravitational constant = [M−-−1L3T−-−2]

So, EG=[E][G]=ML2T−2M−1L3T−2=[M2L−1T0]{E \over G} = {{[E]} \over {[G]}} = {{M{L^2}{T^{ - 2}}} \over {{M^{ - 1}}{L^3}{T^{ - 2}}}} = [{M^2}{L^{ - 1}}{T^0}]GE​=[G][E]​=M−1L3T−2ML2T−2​=[M2L−1T0]

PreviousNext

More from Units and Measurement

  • A screw gauge gives the following readings when used to measure the diameter of a wire Main scale reading : 0 mm Circular scale reading : 52 divisions Given that 1 mm on main scale corresponds to 100 divisions on the circular scale. The…2021 · MCQ
  • If force [F], acceleration [A] and time [T] are chosen as the fundamental physical quantities. Find the dimensions of energy.2021 · MCQ
  • A screw gauge has least count of 0.01 mm and there are 50 divisions in its circular scale. The pitch of the screw gauge is :2020 · MCQ
  • Taking into account of the significant figures, what is the value of 9.99m−0.0099m?2020 · MCQ
  • Dimensions of stress are :2020 · MCQ
  • The energy required to break one bond in DNA is 10-20 J. This value in eV is nearly :2020 · MCQ
  • 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 = C1/3D3A2B1/2​…2019 · MCQ
  • A student measured the diameter of a small steel ball using a screw gauge of least count 0.001 cm. The main scale reading is 5 mm and zero of circular scale division coincides with 25 divisions above the reference level. If screw gauge has…2018 · MCQ