# 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%

4

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

5

Filariasis

Explanation :
No Explanation available for this question

# Oranges are rich source of

1.  Carbohydrates

2.  Fats

3.  Proteins

4.  Vitamins

4

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

4

(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

4

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

4

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

4

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

4

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

4

11,000 B. Th. U. /day

Explanation :
No Explanation available for this question

1.  400ft

2.  4000ft

3.  5800ft

4.  6400ft

4