## OTS Physics Mcqs Online Test 6 Preparation Question Answers Start Below

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```Total uncertainty, in result obtained from the subtraction of two measurement, is equal to?

sum of their absolute uncertainties

difference of their absolute uncertainties

product of their absolute uncertainties

division of their absolute uncertainties

### Correct!

### Wrong!

Absolute uncertainty in a measurement depends upon?

magnitude of the measurement

least count of the instrument

percentage error in the measurement

all of a, b and c

### Correct!

### Wrong!

An ideal standard of measurement of a base quantity has characteristics

accessible

invariable

transportable only

a and b are correct

### Correct!

### Wrong!

One light year is equal to?

9.5x1015m

9.5x1015sec

9.5x1015Km

9.5x1015cm

### Correct!

### Wrong!

Steradian is the SI unit of?

plane angle

solid angle

both plane angle and solid angle neither plane

angle nor solid angle

### Correct!

### Wrong!

Unit of G is?

Nm2Kg2

Nm2Kg

Nm2Kg-2

none

### Correct!

### Wrong!

Which one is the highest power multiple?

giga

beta

mega

deca

### Correct!

### Wrong!

One pico stands for?

10 raised to power -15

10 raised to power -12

10 raised to power -9

10 raised to power -6

### Correct!

### Wrong!

The unit of force is _________ and its symbol is __________. Which is the correct pair?

Newton, n

Newton, N

. newton, n .

newton, N

### Correct!

### Wrong!

How many main frontiers of fundamental science?

1 .

2 .

3 .

4

### Correct!

### Wrong!

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