One main scale division of a vernier caliper is equal to $m$ units. If $n^{\text {th }}$ division of main scale coincides with $(n+1)^{\mathrm{ht}}$ division of vernier scale, the least count of the vernier caliper is:
JEE MAIN 2024, Diffcult
Download our appand get started for free
Experience the future of education. Simply download our apps or reach out to us for more information. Let's shape the future of learning together!No signup needed.*
Similar Questions
- 1View SolutionThe physical quantity that has no dimensions
- 2If $L = 2.331\, cm$, $B = 2.1\, cm$, then $L + B =$View Solution
- 3A metal wire has mass $(0.4 \pm 0.002)\,g$, radius $(0.3 \pm 0.001)\,mm$ and length $(5 \pm 0.02) \,cm$. The maximum possible percentage error in the measurement of density will nearly be $.......\%$View Solution
- 4The electrical resistance $R$ of a conductor of length $l$ and area of cross section $a$ is given by $R = \frac{{\rho l}}{a}$ where $\rho$ is the electrical resistivity. What a is the dimensional formula for electrical conductivity $\sigma $ which is reciprocal of resistivity?View Solution
- 5Assertion : The error in the measurement of radius of the sphere is $0.3\%$. The permissible error in its surface area is $0.6\%$View Solution
Reason : The permissible error is calculated by the formula $\frac{{\Delta A}}{A} = \frac{{4\Delta r}}{r}$ - 6View SolutionDimensions of luminous flux are
- 7The addition of three masses $1.6 \,g , 7.32 \,g$ and $4.238 \,g$, addressed upto proper decimal places is ....... $g$View Solution
- 8View SolutionWhich of the following is the most precise device for measuring length
- 9View SolutionWhich of the following is the unit of specific heat
- 10The dimensions of the area $A$ of a black hole can be written in terms of the universal gravitational constant $G$, its mass $M$ and the speed of light $c$ as $A=G^\alpha M^\beta c^\gamma$. Here,View Solution