Question
Define standard kilogram.
✓
Answer
One standard kilogram is equal to the mass of a cylinder of nearly the same height and diameter and made up of platinum and iridium alloy.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
State two factors which affect the atmospheric pressure as we go up.
Show by diagrams two usual shapes of the artificial magnets.
You are required to make an electromagnet from a soft iron bar by using a cell, an insulated coil of copper wire and a switch.
- Draw a circuit diagram to represent the process.
- Label the poles of the electromagnet.
Figure shows a concave mirror with its pole at P, focus F and centre of curvature C. Draw ray diagram to show the formation of image of an object OA.
You are given two similar bars; one is a soft iron and the other is a magnet. How will you distinguish between them without using any other magnet or bar?
The figure shows a freely suspended magnet in rest position. Copy the diagram and on it show :
(a) Angle of declination
(b) Angle in dip
(a) Angle of declination
(b) Angle in dip
State two conditions necessary for a circuit, such that electric current flows through it.
What cause sound? Why do we require a material medium for the transmission of sound?
What is meant by the lower and upper fixed points of a thermometer?
A simple pendulum completes $40$ oscillations in one minute. Find its (a) Frequency and (b) Time period.
→