Units and Measurement questions
875 published questions with worked solutions.
- In an experiment to measure focal length (f) of convex lens, the least counts of the measuring scales for the position of object...
- If G be the gravitational constant and u be the energy density then which of the following quantity have the dimension as that...
- Time periods of oscillation of the same simple pendulum measured using four different measuring clocks were recorded as 4.62 s,...
- What is the dimensional formula of ab^ -1 in the equation (P + a V^2 )(V - b) = RT, where letters have their usual meaning.
- A vernier callipers has 20 divisions on the vernier scale, which coincides with 19th division on the main scale. The least count...
- To find the spring constant (k) of a spring experimentally, a student commits 2% positive error in the measurement of time and 1%...
- While measuring diameter of wire using screw gauge the following readings were noted. Main scale reading is 1 mm and circular...
- Match List I with List II List-I: A. Torque B. Magnetic field C. Magnetic moment D. Permeability of free space List-II: I....
- If momentum (P), area (A) and time (T) are taken to be the fundamental quantities then the dimensional formula for energy is :
- In a vernier calliper, when both jaws touch each other, zero of the vernier scale shifts towards left and its 4th division...
- Given below are two statements: Statement (I): Dimensions of specific heat is [L²T⁻²K⁻¹] Statement (II): Dimensions of gas...
- The least count of the main scale of a vernier callipers is 1 mm. Its vernier scale is divided into 10 divisions and coincide...
- If speed V, area A and force F are chosen as fundamental units, then the dimension of Young's modulus will be :
- Using screw gauge of pitch 0.1 cm and 50 divisions on its circular scale, the thickness of an object is measured. It should...
- Young's modulus is determined by the equation given by Y = 49000 M dyne cm ^2 where M is the mass and ℓ is the extension of wire...
- The diameter of a sphere is measured using a vernier caliper whose 9 divisions of main scale are equal to 10 divisions of vernier...
- If ε₀ is the permittivity of free space and E is the electric field, then ε₀E² has the dimensions:
- There are 100 divisions on the circular scale of a screw gauge of pitch 1 mm. With no measuring quantity in between the jaws, the...
- Dimensional formula for thermal conductivity is (here K denotes the temperature)
- A quantity x is given by (IF v^2/WL^4) in terms of moment of inertia I, force F, velocity v, work W and Length L. The dimensional...
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