Identify the incorrect statement.

  • A
    All conserved quantities are not necessarily scalars.
  • B
    The law of conservation of energy is valid only in macroscopic domain.
  • C
    Weak nuclear force operates in the range of $\sim 10^{-16} \,m$.
  • D
    Laws of nature do not change with time.

Explore More

Similar Questions

Out of the fundamental forces in nature,which forces have the maximum and minimum range,respectively?

Which of the following pairs of physical quantities have the same dimensions,where one is a vector and the other is a scalar?

Which of the following pairs does not have the same dimensions?

Match the physical quantities in Column-$I$ with those in Column-$II$ having the same dimensions. The correct matching is:
$A$. Entropy$I$. Angular velocity
$B$. Young's modulus of elasticity$II$. Boltzmann constant
$C$. Angular momentum$III$. Energy density
$D$. Decay constant$IV$. Planck's constant

State whether the following statements are true or false:
$(a)$ Weight is a fundamental physical quantity.
$(b)$ $A$ micrometer is used to measure the size of an oleic acid molecule at the molecular level.
$(c)$ The dimensions of a derived quantity obtained from any fundamental quantity can never be zero.

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo