Home
Class 11
PHYSICS
A meter washer has a hole of diameter d(...

A meter washer has a hole of diameter `d_(1)` and external diameter `d_(2)`, where `d_(2)=3d_(1)`. On heating , `d_(2)` increases by `0.3%`. Then `d_(1)` will :-

A

decreases by 0.1 %

B

decreases by 0.3%

C

increases by 0.1 %

D

increases by 0.3%

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Similar Questions

Explore conceptually related problems

Two holes of unequal diameters d_(1) and d_(2)(d_(1)gt d_(2)) are cut in metal sheet is heated

Two holes of unequal diameters d_(1)andd_(2)" "(d_(1)gtd_(2))d_(2) are cut in metal sheet. If the sheet is heated

In Young's double slit experiment the 7th maximum with wavelength lambda_(1) is at a distance d_(1) , and that with wavelength lambda_(2) is at distance d_(2) . Then d_(1)//d_(2) is

An object weights m_(1) in a liquid of density d_(1) and that in liquid of density d_(2) is m_(2) . The density of the object is

The ratio of the area and circumference of a circle of diameter d is (a) d (b) d/2 (c) d/4 (d) 2\ d

Radiation from a black body at the thermodynamic temperature T_(1) is measured by a small detector at distance d_(1) from it. When the temperature is increased to T_(2) and the distance to d_(2) , the power received by the detector is unchanged. What is the ratio d_(2)//d_(1) ?

The distance between two points P and Q is d and the length of their projections of PQ on the co-ordinate planes are d _(1),d_(2), d_(3). Then d _(1) ^(2) + d_(2)^(2) + d_(3) ^(2) = kd ^(2), where k is "_____."

The distance between two points P and Q is d and the length of their projections of PQ on the co-ordinate planes are d _(1),d_(2), d_(3). Then d _(1) ^(2) + d_(2)^(2) + d_(3) ^(2) = kd ^(2), where k is "_____."

The forward bias characteristics of two diodes D_(1) and D_(2) are shown, the knee voltage for D_(1) and D_(2) are respectively (approx)

A camera objective has an aperture diameter d . If the aperture is reduced to diameter d//2 the exposure time under identical conditions of light should be made