Home
Class 12
PHYSICS
Assertion: In a metrebridge, length of t...

Assertion: In a metrebridge, length of the wire is 1 metre.
Reason: Greater the length of wire, better is the accuracy.

A

Assertion is True, Reason is True, Reason is a correct explanation for Assertion

B

Assertion is True, Reason is True, Reason is not a correct explanation for Assertion

C

Assertion is True, Reason is False

D

Assertion is False but Reason is True.

Text Solution

Verified by Experts

Promotional Banner

Similar Questions

Explore conceptually related problems

Assertion: A slide wire bridge is also called a metrebridge. Reason: It is because, the length of wire in a slide wire bridge is one metre.

When a force is applied along the length of the wire

This work done to increase the length in a wire by load 'Mg' is

The resistance of a 1m long nichrome wire is 6 Omega . If we reduce the length of the wire to 70 cm, what will its resistance be?

Assertion : Two wires A and B have the same cross-sectional area and are made of the same material but the length of wire A is twice that of B. For a given load, the strain in wire A is twice that in B. Reason : For a given load, the extension in a wire is prportional to its length.

Two poles of heights 18 metre and 7 metere are erected on a ground. The length of the wire fastened at their tops in 22 meters. Find the angle made by the wire with the horizontal.

The length and cross-section of the wire of meter bridge are

The ratio of the lengths of two wires A and B of same material is 1 :2 and the ratio of their diameters is 2:1. They are stretched by the same force, then the ratio of increase in length will be

Two wires of the same material and the same cross section are stretched on a sonometer in seccuession. Length of one wire is 60 cm and that of the other is 30 cm. An unknown load is applied to the first wire and second wire is loaded with 1.5 kg. if both the wires vibrate with the same fundamental frequencies, calculate the unknown load.

A sonometer wire of length l_(1) is in reasonance with a frequency 250 Hz. If the length of wire is increasesed then 2 beats per second are heard. What is ratio of the lengths of the wire ?