Volume of a cube having sides 1.2 ,m is appropriately expressed as ........... × 10^6 cm ^3

English

Gujarati

Hindi

1.Units, Dimensions and Measurement

normal

The volume of a cube having sides $1.2 \,m$ is appropriately expressed as ........... $\times 10^6 cm ^3$

A

$1.728$

B

$1.7$

C

$1.8$

D

$1.73$

Solution

(b)

The volume of cube is $\beta$

$v=(1.2 \,cm )^3=1.728 \times 10^6 \,cm ^3$

$v=1.7 \times 10^6 \,cm ^3$

Answer should be reported in minimum number of significant figures.

Standard 11

Physics

Share

Similar Questions

A particle covers a distance of $(13.8 \pm 0.2)\, m$ in $(4 \pm 0.3)\, seconds$. Its velocity under error limits will be

normal

The temperature of two bodies measured by a thermometer are $t_1 = 20\, ^oC + 0.5\, ^oC$ and $t_2 = 50\,^oC + 0.5\, ^oC$. The temperature difference and the error there in is

normal

Measure of two quantities along with the precision of respective measuring instrument is :-
$A = 2.5\, m/s ± 0.5\, m/s$
$B = 0.10\,s\, ± 0.01\, s$
The value of $AB$ will be :-

normal

The period of oscillation of a simple pendulum is $T=2 \pi \sqrt{L / g}$ Measured value of $L$ is $20.0 \;cm$ known to $1\; mm$ accuracy and time for $100$ oscillations of the pendulum is found to be $90 \;s$ using a wrist watch of $1\; s$ resolution. What is the accuracy in the determination of $g in \% ?$

normal

Dimensional formula for pressure head is

normal