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

2020 · 4 Sep · Shift 1 · Q44
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Physics
  4. /Units and Measurements
  5. /2020 · 4 Sep · Shift 1 · Q44

Units and Measurements question

2020 · 4 Sep · Shift 1 · Q44

JEE MainPhysicsUnits and MeasurementsMCQ+4 / −1
Dimensional formula for thermal conductivity is (here K denotes the temperature):
  1. A
    MLT–3K–1
  2. B
    MLT–2K–2
  3. C
    MLT–2K
  4. D
    MLT–3K
PreviousNext

More from Units and Measurements

  • A quantity x is given by (WL4IFv2​) in terms of moment of inertia I, force F, velocity v, work W and Length L. The dimensional formula for x is same as that of :2020 · MCQ
  • A physical quantity z depends on four observables a, b, c and d, as z = c​d3a2b32​​. The percentages of error in the measurement of a, b, c and d are 2%, 1.5%, 4% and 2.5% respectively. The percentage…2020 · MCQ
  • The quantities x = μ0​ε0​​1​, y = BE​ and z =CRl​ are defined where C-capacitance, R-Resistance, l-length, E-Electric field, B-magnetic field and ε0​, ${{\mu…2020 · MCQ
  • A screw gauge has 50 divisions on its circular scale. The circular scale is 4 units ahead of the pitch scale marking, prior to use. Upon one complete rotation of the circular scale, a displacement of 0.5mm is noticed on the pitch scale.…2020 · MCQ
  • The density of a solid metal sphere is determined by measuring its mass and its diameter. The maximum error in the density of the sphere is (100x​) %. If the relative errors in measuring the mass and the…2020 · Numerical
  • A student measuring the diameter of a pencil of circular cross-section with the help of a vernier scale records the following four readings 5.50 mm, 5.55 mm, 5.45 mm, 5.65 mm. The average of these four readings is 5.5375 mm and the…2020 · MCQ
  • The dimension of 2μ0​B2​, where B is magnetic field and μ0​ is the magnetic permeability of vacuum, is :2020 · MCQ
  • The dimension of stopping potential V0 in photoelectric effect in units of Planck's constant 'h', speed of light 'c' and Gravitational constant 'G' and ampere A is :2020 · MCQ