Advertisements
Advertisements
Question
Answer the following in short.
What is parallax error?
Advertisements
Solution
The error that can arise due to the wrong positioning of the eye while reading a scale is called parallax error.
APPEARS IN
RELATED QUESTIONS
How does the density of water changes when it is heated from 0°C to 4°C,
How long a train will take to travel a distance of 200 km with a speed of 60 km h-1 ?
Convert the following quantity as indicated :
12 inch = ft
The diagram below shows a stick placed along a metre RULER. The length of the stick is measured keeping the eye at positions A, B, and C.

Answer the following in detail.
State some common rules to write SI units correctly.
Tick the most appropriate answer.
Which of the following weighing devices has very high accuracy and sensitivity?
Give a reason for the following.
Measuring units are standardized.
Explain giving examples.
Scalar quantity
What is the physical quantity? give example.
The density of a material in SI unit is 128 kg m-3. In certain units in which the unit of length is 25 cm and the unit of mass is 50 g, the numerical value of density of the material is _____.
