The word scientia is meaning to ___________.

(a)

exact

(b)

to know

(c)

control

(d)

implement

Astromical Scale is dealt with the _________ Physics

(a)

Mesoscopic

(b)

Microscopic

(c)

Macroscopic

(d)

None

Microscopic group of Physics dealt with the study of ____________.

(a)

classical physics

(b)

statistical mechanics

(c)

fluid mechanics

(d)

quantum physics

Which is deals with the study of materials of an intermediate length scale?

(a)

Macro physics

(b)

Macroscopic physics

(c)

Microscopic physics

(d)

All the above

What is the range of astronomical time scales to microscopic scales?

(a)

10¹⁵S to 10^-15S

(b)

10⁹S to 10^-18S

(c)

10¹⁸S to 10^-22S

(d)

10¹¹S to 10^-16S

The law of electricity and magnetism is used to ____________

(a)

Wireless communication

(b)

Nuclear reactor

(c)

Steam engine

(d)

Aeroplane

Match the following:

(1)	Steam engine	(a)	Bernoulli's principle
(2)	Nuclear reactor	(b)	Laws of thermodynamics
(3)	Production of ultra high magnetic fields	(c)	Controlled nuclear fission
(4)	Aeroplane	(d)	Super Super

(a)

(1)	(2)	(3)	(4)
b	c	a	d

(b)

(1)	(2)	(3)	(4)
d	a	b	c

(c)

(1)	(2)	(3)	(4)c
c	d	a	b

(d)

(1)	(2)	(3)	(4)
b	c	d	a

Match the following fundamental forces with respect to relative strengths.

(1)	Gravitational force	(a)	1
(2)	Electromagnetic force	(b)	10-39
(3)	Weak nuclear force	(c)	10-2
(4)	Strong nuclear force	(d)	10-13

(a)

(1)	(2)	(3)	(4)
a	d	b	c

(b)

(1)	(2)	(3)	(4)
b	c	d	a

(c)

(1)	(2)	(3)	(4)
c	d	a	b

(d)

(1)	(2)	(3)	(4)
c	a	b	d

One parallactic second is ______________

(a)

3.08 \(\times\)10¹⁶ m

(b)

1.49 \(\times\)10¹¹ m

(c)

9.46 \(\times\) 10¹⁵ m

(d)

1.66 \(\times\) 10^-27 m

How many light years make 1 per sec?

(a)

3.26

(b)

6.67

(c)

1.5

(d)

9.4

How many AU makes one metre?

(a)

3.26 \(\times\) 10¹¹AU

(b)

1.496 \(\times\) 10¹¹AU

(c)

3.08 \(\times\) 10¹⁶ AU

(d)

6.684 \(\times\) 10^-12AU

What is the value of one light year in tera metre?

(a)

9.46 \(\times\) 10⁶Tm

(b)

9.46 \(\times\)10⁹Tm

(c)

9.46 \(\times\) 10²Tm

(d)

9.46 \(\times\) 10³Tm

The accleration of 20 m/s² in km/h² is ______________.

(a)

2.59 \(\times\) 10⁵ km/h²

(b)

1.29 \(\times\) 10⁵ km/h²

(c)

2.0 \(\times\)10³ km/h²

(d)

3.5 \(\times\)10⁵ km/h²

Which device is used for measuring the mass of atoms?

(a)

Spectragraph

(b)

Fermi

(c)

Telescope

(d)

Microscope

Which of the following statement is wrong?

(a)

one fenni = 10¹⁵ m

(b)

All non-zero digits are significant.

(c)

1 AU = 1.496 \(\times\)10¹¹m

(d)

Speed is a derived unit

Which of the following Statement is true?

(a)

Velocity is a fundamental unit

(b)

Solar day = 24 hours.

(c)

1 Shake = 10⁴s

(d)

mass is a derived unit

The number of significant figures in 0.0006012 m is

(a)

3

(b)

4

(c)

7

(d)

5

The number of significant figures in 2.64\(\times\)10⁴ kg is ______________.

(a)

2

(b)

4

(c)

5

(d)

3

If E & B respectively, represent electric field and magnetics induction field, then the ratio E & B has the dimensions of ______________.

(a)

angle

(b)

acceleration

(c)

velocity

(d)

displacement

If force |F|, velocity |V| and time |T| are taken as to fundamental units then the dimensions of mass are _______________.

(a)

FV^-1T

(b)

FV^-1T

(c)

FVT^-1

(d)

FVT^-2

The dimensions of K.E. is _______________.

(a)

M²L²T^-1

(b)

M¹L¹T¹

(c)

M¹L²T^-2

(d)

M²L²T^-2

The dimensions of universal gravitational constant is ______________.

(a)

M²L³T^-2

(b)

M²L²T^-1

(c)

M²L³T^-1

(d)

ML²T^-1

The density of a cube is measured by measuring its mass and length of its side. If the maximum error in the measurement of mass and length are 5% and 3% respectively, the maximum error in the measurement of density is _____________.

(a)

9%

(b)

8%

(c)

14%

(d)

2%

The fractional error \(\left( {{\triangle x}\over{x}} \right)\)  _____________.

(a)

\(\pm\left( {{\triangle x}\over{x}} \right)\)

(b)

\(\pm n\left( {{\triangle a}\over{a}}\right)\)

(c)

\(\pm n \log_e \left( {{\triangle a}\over{a}}\right)\)

(d)

\(\pm n \log_{10}{{\triangle a}\over{a}}\)

Find the value of one Au in 1000km _____________.

(a)

1.5 \(\times\)10⁵m

(b)

2.5\(\times\)10⁶m

(c)

1.5\(\times\)10¹¹m

(d)

2.5\(\times\)10¹⁰m