A student, doing an experiment, takes 100 readings. If he repeats toe same experiment and takes 400readings, the probable error

1.  Remains the same

2.   Is halved

3.  Is doubled

4.   Is reduced by 25%

View Answer  
4
Correct Answer :

Is reduced by 25\%


Explanation :
No Explanation available for this question

Which of these is not a mosquito borne disease

1.  Dengue fever

2.  Malaria

3.  Filariasisx

4.  Filariasis

5.  Goitre 

View Answer  
5
Correct Answer :

Filariasis


Explanation :
No Explanation available for this question

Oranges are rich source of

1.  Carbohydrates

2.  Fats

3.  Proteins

4.  Vitamins

View Answer  
4
Correct Answer :

Vitamins


Explanation :
No Explanation available for this question

The dimensional formula for the coefficient of viscosity

1.  (η)=ML0T-2

2.  (η)=ML-1T-2

3.  (η)=MLT-2

4.  (η)=ML-1T-1

View Answer  
4
Correct Answer :

(η)=ML-1T-1


Explanation :
No Explanation available for this question

The dimensional formula for angular momentum is:

1.  ML2T-2

2.   ML2T-1

3.  MLT-1

4.  ML-2T-2

View Answer  
4
Correct Answer :

ML2T-1


Explanation :
No Explanation available for this question

If L and R denote inductance and resistance respectively, then the dimension of L/R is:

1.  M0L0T-1

2.  M0L0T

3.  M2L0T2

4.  MLT2

View Answer  
4
Correct Answer :

M0L0T


Explanation :
No Explanation available for this question

The dimensional formula for gravitational constant is:

1.  M-1L2T-2

2.  ML2T-1

3.  MLT-2

4.  ML2T-1

View Answer  
4
Correct Answer :

M-1L2T-2


Explanation :
No Explanation available for this question

A volume of 10cubic meters is equal to:

1.  103cm3

2.  104cm3

3.  106cm3

4.  108cm3

View Answer  
4
Correct Answer :

106cm3


Explanation :
No Explanation available for this question

The hot water pipes of a furnace are coated with a black paint having emittance of 0.81 and the heat loss is 33,000 B. Th. U. /day. If the pipes were coated with aluminium paint of thermal emittance 0.27, the heat loss will be:

1.  22,000B. Th. U. /day

2.  18,910 B. Th. U. /day

3.  11,000 B. Th. U. /day

4.  10,960 B. Th. U. /day

View Answer  
4
Correct Answer :

11,000 B. Th. U. /day


Explanation :
No Explanation available for this question

A box is released from an airplane moving horizontally at a height of 1600 ft. How far will the box move horizontally while falling just before striking against the Earth

1.  400ft

2.  4000ft

3.  5800ft

4.  6400ft

View Answer  
4
Correct Answer :

4000ft


Explanation :
No Explanation available for this question
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