# In a M/M/1 queue, with utilisation factor of 0.5, the probability of only one person waiting in the queue is

1.  0

2.  1

3.  0.125

4.  1.25

4

1.25

Explanation :
No Explanation available for this question

# The stability of + 1 oxidation state increases in the sequence

1.  Tl < In < Ga < Al

2.  In < Tl < Ga < Al

3.  Ga < In < Al < Tl

4.  Al < Ga < In < Tl

4

Al < Ga < In < Tl

Explanation :
No Explanation available for this question

# In which process the rate of transfer of heat is maximum

1.  Conduction

2.  Convection

4.  In all these heat is transferred with the same velocity

4

Explanation :
No Explanation available for this question

# A simple harmonic oscillator has an amplitude a and time period T. the time required to travel from x = is

1.

2.

3.

4.

4

Explanation :
No Explanation available for this question

# Two waves are represented by y1 = a sin and y2 = a cos ωt. what will be their resultant amplitude

1.  a

2.

3.

4.  2 a

4

Explanation :
No Explanation available for this question

# Choose the wrong statement from the following

1.  Small droplets of a liquid are spherical due to surface tension

2.  Oil rises through the wick due to capillarity

3.  In drinking the cold drinks through a straw, we use the phenomenon of capillarity

4.  Gum is used to stick two surfaces. In this process we use the property of Adhesion

4

In drinking the cold drinks through a straw, we use the phenomenon of capillarity

Explanation :
No Explanation available for this question

# The temperature at which vapour pressure of a liquid is equal to atmospheric pressure is called

1.  Fusion point

2.  Melting point

3.  Boiling point

4.  Equilibrium point

4

Boiling point

Explanation :
No Explanation available for this question

# Calculate the oxidation number of the PinK4P2O7

1.  +3

2.  -5

3.  +5

4.  +6

4

+5

Explanation :
No Explanation available for this question

# During hydrogenation of oils, which one of the following catalyst is used

2.  Nickel //

3.  Iron //

4.  V2O5 //

4

Nickel

Explanation :
No Explanation available for this question

1.  ns1

2.  ns2

3.  ns2np1

4.  ns1np2

4