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प्रश्न
State the formula for calculating percentage error
उत्तर
The percentage error can be calculated by the formula:
Percentage error = `"Absolute error"/"Actual value"xx100`
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संबंधित प्रश्न
Name the physical quantities which are measured in the given units: u
It takes time 8 min for light to reach from the sun to the earth surface . If speed of light is taken to be `3 xx 10^8 "m/s"^-1` , find the distance from the sun to the earth in km .
State or define the following term:
Minute
What do you mean by the term unit?
Are senses reliable for accurate measurement?
Choose the correct one
Which of the following is correct?
Questions based on Higher Order Thinking Skills:
There are three spheres A, B, and C as shown below.
Sphere A and B are made of same material. Sphere C is made of a different material. Spheres A and C have equal radii. The radius of sphere B is half that of A. The density of A is double that of C.
Now answer the following questions.
- Find the ratio of masses of spheres A and B.
- Find the ratio of volumes of spheres A and B.
- Find the ratio of masses of spheres A and C.
