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Physical world and measurement

Authored by Guna Sekaran

Physics

11th Grade

Used 23+ times

Physical world and measurement
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10 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

The prefix for pico stands for

10^-9

10^-10

10^-12

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Chandrashekhar limit is the largest practical unit of

Length

Mass

Time

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which of the following is dimensional constant

Relative density

Gravitational constant

Refractive index

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Gross error can be minimised by

Taking mean

Repeating the experiment

Careful observation

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

High precision instruments are used to eliminate

Random error

Instrumental error

Least count error

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Round off the number 43.752 upto three digit

43.8

43.7

43.76

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is the value of one light year

9.267x10^15 km

9.467x10^15 km

9.647x10^15 km

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