Which of the following is the right relationship between geometric length (L) and magnetic length (Lm)?

_____ arise from the errors due to imperfect design or calibration of the measuring instrument, zero error in the instrument, etc.

The smallest value that can be measured by the measuring instrument is called

‘P’ of a body is defined as product of mass and velocity. What is P here?

In relation A = , the quantity A, B and C are expressed in units of N kg⁻¹ s³, ms² and m² s⁻¹, respectively.If p and q are constants, find the values of p and q.

When light enters from air into a medium, its speed changes. Which of the following properties of light remains constant during this transition?

How many mutually independent base quantities are there in the current International System of Units (SI)?