Free Printable Academic Round

1.

Emf of a cell is

a)

(a) the maximum potential difference between the terminals of a cell when no current is drawn from the cell.

b)

(b) the force required to push the electrons in the circuit.

c)

(c) the potential difference between the positive and negative terminal of a cell in a closed circuit.

d)

(d) less than terminal potential difference of the cell.

2.

For measuring voltage of any circuit, potentiometer is preferred to voltmeter because

a)

a) the potentiometer is cheap and easy to handle.

b)

(b) calibration in the voltmeter is sometimes wrong

c)

(c) the potentiometer almost draws no current during measurement.

d)

(d) range of the voltmeter is not as wide as that of the potentiometer

3.

A particle is moving with a constant speed along a straight-line path. A force is not required to

a)

change its direction

b)

decrease its speed

c)

keep it moving with uniform velocity

d)

Increase its momentum

4.

) What happens to the force acting between the charged particles, if the distance between these charged particles is halved?

a)

(a) It increases by four times

b)

(b) It gets doubled

c)

(c) It becomes half

d)

(d) It reduces by one-fourth

5.

The Images produced by concave mirror are …………..

a)

A.always real.

b)

B.always virtual.

c)

C.certainly real if the object is virtual.

d)

D.certainly virtual if the object is real.

6.

The Proposition $(x⇒y)∨(y⇒x)$

a)

a) Tautology

b)

b) Contradiction

c)

c) Contingency

d)

d) Absurdity

7.

The ratio of area of the inscribed circle to the area of circumscribed circle of an equilateral triangle is ……

a)

$\frac{1}{8}$

b)

$\frac{1}{6}$

c)

$\frac{1}{4}$

d)

$\frac{1}{2}$

8.

Formula For Integration by parts.

a)

$\int fg'dx=fg-\int f'gdx$

b)

c)

c) Both a) and b)

d)

d) None of these

9.

Which of the following represents Function

a)

$y=|x|$

b)

$y=|x|^2-x$

c)

c) Both a) and b)

d)

d) None of these

10.

$If\ \ x=7-4\sqrt{3}\ \ then\ \ \ x+1/x=?$

a)

$3\sqrt[]{3}$

b)

$5\sqrt[]{3}$

c)

14

d)

15

11.

The value of $4^{\left(2\log_93\right)}$

a)

1

b)

2

c)

3

d)

4

12.

If $\sqrt[]{(1+\frac{x}{225})}=\frac{17}{15}$ then the value of x is ……………..

a)

64

b)

$3\sqrt[]{15}$

c)

$5\sqrt[]{15}$

d)

25

13.

What is the Probability of getting red card from deck of 52 Cards?

a)

$\frac{1}{52}$

b)

$\frac{1}{2}$

c)

$\frac{1}{13}$

d)

$\frac{1}{26}$

14.

A bag contains 6 white and 4 black balls , 2 balls are drawn at random. Find the probability that they are of same colour.

a)

$\frac{1}{2}$

b)

$\frac{7}{15}$

c)

$\frac{8}{15}$

d)

$\frac{1}{9}$

15.

In a lottery, there are 10 prizes and 25 blank places. A lottery is drawn at random. What is the probability of getting a prize?

a)

$\frac{1}{2}$

b)

$\frac{2}{3}$

c)

$\frac{2}{7}$

d)

$\frac{7}{2}$

16.

Which of the following is the poorest conductor of heat in comparison to other options?

a)

[A] Silver

b)

[B] Copper

c)

[C] Lead

d)

[D] Mercury

17.

Highest percentage of nitrogen is found in which among the following fertilizers among the given options?

a)

[A] Calcium ammonium nitrate

b)

[B] Ammonium nitrate

c)

[C] Calcium nitrate

d)

[D] Urea

18.

Which among following is also known as white gold?

a)

[A] Nickel

b)

[B] Rhodium

c)

[C] Platinum

d)

[D] Palladium

19.

Which of the following are the uses of Calcium carbonate?

a)

[A] as an antacid

b)

[B] mild abrasive in tooth paste

c)

[C] as a filler in cosmetics

d)

[D] All of these

20.

Which of these is a Thermoplastic polymer?

a)

[A] Terylene

b)

[B] Polythene

c)

[C] PVC

d)

[D] All of these

Academic Round

Total questions: 20

Worksheet time: 20mins

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