Download App

PART - 1 CH - 1 Units and Measurements — Physics STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 SciencePhysicsPART - 1 CH - 1 Units and Measurements1 Mark
Question
Subtract $5.2 \times 10^{-6}$ from $8.3 \times 10^{-4}$ on the basis of significant figures.
✓

Answer


$\begin{array}{ll} & 8.3 \times 10^{-4}-5.2 \times 10^{-6} \\ \Rightarrow & 8.3 \times 10^{-4}-0.052 \times 10^{-4} \\ \Rightarrow & 8.248 \times 10^{-4} \\ \Rightarrow & 8.2 \times 10^{-4}\end{array}$

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "1 Marks Question" from PART - 1 CH - 1 Units and Measurements→PART - 1 CH - 1 Units and Measurements — all question types→Physics STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

Will a person firing a gun experience a backward shock?
→
Explain why Atmospheric pressure at a height of about 6km decreases to nearly half of its value at the sea level, though the height of the atmosphere is more than 100km.
→
Each side of a cube increases by 0.01% on heating. How much is the area of its faces and volume increased?
→
The weight hanging from the sonometer wire is increased by a factor of weight. Will the frequencies of the wire increase by exactly a factor of two? Explain your answer.
→
What is rotational analogue of force?
→
Birds swell their feathers in winter. Why?
→
If the value of external forces and moments on a particle system is zero, then is it possible that the angular momentum of its various particles is changing but their vector sum does not change?
→
A tank with a square base of area $1.0 \mathrm{~m}^2$ is divided by a vertical partition in the middle. The bottom of the partition has a small-hinged door of area $20 \mathrm{~cm}^2$. The tank is filled with water in one compartment, and an acid (of relative density 1.7 ) in the other, both to a height of 4.0 m . compute the force necessary to keep the door close.
→
The absolute temperature of the gas is increased 3 times. What will be the increase in root mean square velocity of the gas molecules?
→
State the law of conservation of momentum.
→