Medium
The speed of light in vacuum is taken as unity. If light takes $6 \text{ min } 40 \text{ s}$ to reach the Earth from the Sun, the distance between the Sun and the Earth in new units is:
- A$3 \times 10^8$
- B$500$
- C$3 \times 10^{10}$
- D$400$
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Similar Questions
Match the following physical quantities with their respective dimensional formulas:
$(A)$ Thermal conductivity $(i)$ $MLT^{-3}K^{-1}$ $(B)$ Boltzmann constant (ii) $M^0L^2T^{-2}K^{-1}$ $(C)$ Latent heat (iii) $ML^2T^{-2}K^{-1}$ $(D)$ Specific heat (iv) $M^0L^2T^{-2}$
| $(A)$ Thermal conductivity | $(i)$ $MLT^{-3}K^{-1}$ |
| $(B)$ Boltzmann constant | (ii) $M^0L^2T^{-2}K^{-1}$ |
| $(C)$ Latent heat | (iii) $ML^2T^{-2}K^{-1}$ |
| $(D)$ Specific heat | (iv) $M^0L^2T^{-2}$ |
Which year was declared as the International Year of Physics?
$A$ wheel completes $2000$ revolutions to cover a distance of $9.5\, km$. The diameter of the wheel is:
Easy
View SolutionThe pair of physical quantities not having the same dimensions is:
Which of the following does not have the same unit as the others?
Easy
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