✓✗The dimensional formula of moment of inertia is

✓✗The dimensional formula of Young's modulus is the same as that of

✓✗The dimensional formula of electric charge is

✓✗Which of the following statements are correct?
A. All quantities having units must have dimensions.
B. All dimensionless quantities are unitless.
C. A dimensionally correct equation need not be physically correct.
D. A physically correct equation must be dimensionally correct.
E. Dimensional analysis can find the value of numerical constants.
Choose the correct answer from the options given below.

✓✗If force [F], acceleration [A] and time [T] are chosen as the fundamental physical quantities, find the dimensions of energy.

✓✗The dimensions [MLT⁻²A⁻²] belong to the

✓✗In the equation \( y = A\sin\left(\dfrac{2\pi t}{T}\right) \), where y is displacement and t is time, the dimensions of T are

✓✗The unit of thermal conductivity is

✓✗The dimensional formula of angular momentum is

✓✗Which of the following is a dimensional variable?

✓✗The pair of quantities having same dimensions is

✓✗If x = a + bt + ct², where x is in metres and t in seconds, the unit of c is

✓✗1 fermi is equal to

✓✗The SI unit of pressure is

✓✗1 joule is equal to