Question

06. Name four units used in the measurement of extremely short distances.
Short Answer Type Questions (2 marks):
07. State four physical quantities having the same dimensional formula.​

Answer 1

Micrometer Picometer Nanometer Femtometer Micrometer is expressed in the form of 10-6m, Picometer in 10-12m, Nanometer in 10-9m and Femtometer in 10-15m respectively.

Speed and velocity

Energy and work and moment of force

Pressure and stress and Young's modulus

Impulse and momentum

Weight and force and upthrust

Electric resistance and impedance

Density and molar concentration

Surfaces tension and stiffness

Distance, displacement and amplitude

Potential difference and EMF

Decay constant and frequency.

Answer 2

Answer:

answer 6. Inch, Foot, Length, Metre, Centimetre, Kilometre.

answer 7. Length, radius, distance, radius of gyration