Physical World ...

Heliocentric theory proposed by Nicolas Copernicus was

Just as a new experiment may suggest an alternative theoretical model, a theoretical advance may suggest what to look for in some for in some experiments. Which of the following experiments can be considered to support this claim?

Directions: The following question has four choices out of which ONLY ONE is correct.

What is dimensional formula of Impulse?

Directions: The following question has four choices out of which ONLY ONE is correct.

Which of the following is the unit of mass?

Wave picture of light failed to explain.

Directions: The following question has four choices out of which ONLY ONE is correct.

Which is the dimensional formula of latent heat?

Newtonian mechanics could not explain

Which of the following is a dimensionless constant?

If voltage and current are given as 'V' = (100 ± 5) volt and 'I' = (10 ± 0.2) A, respectively, the percentage error in resistance 'R' is 

The scientific method is

The density of material of a cube is measured by measuring its mass and length of its side. If the maximum errors in the measurement of mass and length are 3% and 2%, respectively, then the maximum error in the measurement of density is

The word Science originates from the Latin verb Scientia meaning

Find the area of a plate of length 5 ± 0.1 cm and breadth 2 ± 0.01 cm.

What is the unit of Reynold Number?

The displacement of a particle moving along x-axis is given as x = at + bt² - ct³, where t is time. The respective dimensions of a, b and c are

The dimensions of  ( where permitivity of free space, E : electric field) are                                     

The physical quantity having the same dimensions as those of surface tension is

Physics is a

A scientific theory is accepted if

A scientific theory

Atomic and molecular phenomena are dealt with by

Classical Physics deals mainly with

The unit of  (where g = acceleration due to gravity, and t = time) is equal to the unit of

In Physics, we attempt to explain

The length, breadth and thickness of a block are given as l = 12 cm, b = 6 cm and t = 2.45 cm, respectively. The volume of the block, according to the idea of significant figures, should be

If the distance covered by a particle in t seconds is x metres, which is given by x = a + bt – ct², where a, b and c are constants, then the unit of c is

Reductionism is

The physical quantity having the dimensional formula [M^-1L^-3T³A²] is 

Which of the following is a possible first step in applying the scientific method

Which of the following is a possible final step in applying the scientific method