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Instructions:

Total number of questions : 50 .

Time alloted : 35 minutes.

Each question carry 1 mark, no negative marks.

51.
The power loss P in a resistor is calculated using the formula
P=V^{2} /R. The uncertainty in the potential difference V is 3% and the uncertainty in the resistance R is 2%,
what is the uncertainty in P?

52.
(x^{-1} )^{-1} =__________.

53.
Aspirin is produced by heating salicylic acid with:

54.
For a given matrix A, if |A| is not equal to 0 then (A^{-
1} )^{t} =__________.

55.
The measurement of physical quantity may be subjected to random
errors and to systematic errors. Which statement is correct?

56.
Molecular orbitals are generally considered as:

57.
A narrow beam of monochromatic light is incident normally on a
diffraction grating. Third order diffracted beams are formed at angles of 45° to the original direction. What is the
highest order of diffracted beam produced by this grating?

59.
Select the correct name of the compound:
Benzene ring – CH2 – Benzene ring

60.
Change the following sentence into its passive form:
“Will you give me your bicycle?”

61.
Why does an ideal gas exert pressure on its container?

62.
Which one of the following is the most reactive compound?

63.
What will be the remainder when x^{4} +2x^{3} -2x-3
is divided by x+2?

64.
|Z1+Z2| is __________.

65.
On a particular railway track, a train driver applies the brakes
of the train at a yellow signal, a distance of 1 km from red signal, where it stops. The maximum deceleration of the
train is 0.2ms^{-2} . Assuming uniform deceleration, what is the maximum safe speed of the train at the yellow
signal?

66.
Consider the addition of hydrogen acids to alkenes; what is the
correct order of reactivity?

67.
Consider the solubility of the following sparingly soluble salt
in water.
AgCl(s) <--------> Ag^{+} (aq) + Cl^{-} (aq) (Reversible reaction)
Ksp=Kc[AgCl]=[Ag+][Cl-]
The precipitation of AgCl will occur if the product of ionic concentration is:

68.
Equation of the parabola with vertex at (0,0) and directrix y
+2=0 is:

69.
In a stationary wave, the distance between a consecutive node and
an antinode is equal to:

70.
Change the following sentence into its indirect form:
He said to me, “Why have you come late?”

71.
Select the oxide which will be acidic in nature.

72.
If (x_{1} ,y_{1} ), (x_{2} ,y_{2} )
and (x_{3} ,y_{3} ) are the vertices of a triangle ABC then the area of the triangular region is:

73.
An alternating current of rms value 20 mA passes through a 4
kilo-ohms resistor. What is the average power dissipated?

74.
The solution formation of two miscible liquids perfectly obey the
Raoult’s law if they satisfy the conditions:

75.
The eccentricity and foci of the ellipse 16x^{2}
+25y^{2} =400 are:

76.
Which of the following statement is false about the acetic acid?

77.
The x+iy form of (1-3i)^{-1} is:

78.
What is the ratio (1 G m/1 μ m)?

79.
Which metal’s presence in fish was responsible for the Minimata
disease in Japan?

80.
{1, w, w^{2} } is a group under:

81.
Which physical quantity would result from a calculation in which
a potential difference is multiplied by an electric charge?

82.
Metaformaldehyde is a trimer of:

83.
If the order of matrix A is p x q and order of matrix B is q x r,
then the order of matrix C = A x B will be:

84.
In the expressions below, ‘a’ is acceleration, ‘F’ is force, ‘m’
is mass, ‘t’ is time and ‘v’ is velocity. Which expression represents energy?

85.
Choose the correct sentence out of the following:

86.
If ‘A’ and ‘B’ are mutually exclusive events then:

87.
The order of chemical reaction can be measured by:

88.
Which one of the following series lies in the visible region?

89.
If half-life of a certain chemical reaction is denoted by the
relationship given below:
T_{1/2} =1/Ka^{1}
Where ‘a’ is the initial concentration, what will be the order of the reaction?

90.
Integrate 1/x with respect to x.

91.
The binding energy per nucleon is greater for:

92.
The standard molar enthalpy of formation is denoted by:

93.
The acute angle formed by two non-perpendicular intersecting
lines is given by:

94.
When a wave comes across an obstacle, it bands ground the
obstacle. This phenomenon of bending around a wave is called:

95.
Choose the correct statement about Born Haber’s cycle:

97.
Longitudinal waves cannot be:

98.
If we leave this minute, __________.

99.
I insist __________ the withdrawal of your statement.

100.
The Raolt’s law for the reaction A -----> C + k is given as:
Rate=K[A], the unit of K will be:

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Marks : [XX/XX]
Total number of questions
:
[TQ]
Number of answered questions
:
[AQ]
Number of unanswered questions
:
[UQ]