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

How many AU present in one light year?

(a)

6.30\(\times\)10⁴m

(b)

9.46\(\times\)10¹⁵m

(c)

6.2\(\times\)10²m

(d)

9.4\(\times\)10¹⁶m

How many \(\mu\)m present in one metre?

(a)

10^-6 \(\mu\)m

(b)

10⁶ \(\mu\)m

(c)

10^-3 \(\mu\)m

(d)

10^-2 \(\mu\)m

The speed of an object v = 40 ms^-1. The same quantity of speed in kmh^-1 is _____________.

(a)

60

(b)

160

(c)

40

(d)

144

The speed of an object v = 90km/h. The same quantity of speed in m/s is ______________.

(a)

90

(b)

25

(c)

45

(d)

180

3.5 kg mass of a metal plate has the volume of 1.5 m³. Find the density of metal plate ____________.

(a)

1.5 kg/m³

(b)

2.3 kg/m³

(c)

3.4 kg/m³

(d)

4.8 kg/m³

The value of 1^o is ______________.

(a)

1.745\(\times\)10^-2 rad

(b)

1.946\(\times\)10^-11 rad

(c)

3.6 rad

(d)

3600 rad

How many parsec are there in one kilometer?

(a)

3.084\(\times\)10^-16

(b)

3.084\(\times\)10⁸

(c)

3.24\(\times\)10^-14

(d)

None

The angle of an object is 18.2°. What is the angular diameter of the object in radians?

(a)

36.4 rad

(b)

3.64\(\times\)10^-2 rad

(c)

31.74\(\times\)10^-2 rad

(d)

3.17 rad

If a circle with 10 m radius and angle 60° at centre, then what will be the length of arc?

(a)

5.24 m

(b)

6.21 m

(c)

7.1 mm

(d)

10 m

The mass of an iron sheet is 0.250 kg and volume of the sheet is 1.5m³ Then what is the density of the iron sheet? Express the result in SI unit system.

(a)

0.267 kg m^-3

(b)

0.167 kg m^-3

(c)

0.255 kg m^-3

(d)

0.285 kg m^-3

What is the SI unit of linear momentum?

(a)

ms^-1

(b)

ms^-2

(c)

kg ms^-1

(d)

kg m² ms^-1

What is the SI unit of Area?

(a)

m

(b)

m²

(c)

Nm^-1

(d)

cm^-1

SI unit of the universal constant of gravitation (G) is ______________.

(a)

kg^-2 m^-2

(b)

kg ms^-1

(c)

Nm² kg^-2

(d)

Nm^-1

A scientific way of doing things involve _____________.

(a)

identifying the problem

(b)

collecting data

(c)

controlled experimentation

(d)

all the above

The word physics is derived from ______________.

(a)

to know

(b)

fusis

(c)

knowing the truth

(d)

prediction

Which of the following is true regarding the physical science?

(a)

dealing with non-living things

(b)

dealing with living things

(c)

study with atomic level

(d)

both (a) and (b)

The term used to mention study of macroscopic system to microscopic constituents is _____________.

(a)

unification

(b)

macrocosm

(c)

reductionism

(d)

microcosm

The branch of physics deals with the relation between space, time and energy are _______________.

(a)

astrophysics

(b)

relativity

(c)

acoustics

(d)

atomic physics

The fraction of \(1\over 273.16\) temperature of the triple point of water represents __________.

(a)

celsius

(b)

fahrenheit

(c)

centigrade

(d)

kelvin

Round of the following number 19.95 into three significant figures.

(a)

19.9

(b)

20.0

(c)

20.1

(d)

19.5

Which of the following is wrong matched?

(a)

Chemistry - arrange elements in periodic table

(b)

Geology - crystal structure of various rocks

(c)

Oceanography - movements of neurotransmitters

(d)

Biology - electron microscope

___________ system of units was accepted by the scientists of the general conference on weights and measures.

(a)

FPS

(b)

CGS

(c)

MKS

(d)

SI

A source having luminous intensity of one candela emits monochromatic radiation of frequency ________________.

(a)

5.4\(\times\)10¹⁴ Hz

(b)

54\(\times\)10¹⁴ Hz

(c)

4.5\(\times\)10¹⁴ Hz

(d)

\({1\over683}Hz\)

When a current of 1 ampere flowing through two parallel straight conductors. What amount of force per unit length acts between the conductors?

(a)

1\(\times\)10^-7N

(b)

2\(\times\)10^-7N

(c)

3\(\times\)10⁷N

(d)

4\(\times\)10^-7N

One picofarad is equal to ___________farad.

(a)

10^-18

(b)

10^-12

(c)

10^-6

(d)

10^-24

The value of one Angstrom is _______________.

(a)

10¹⁰m

(b)

10^-10m

(c)

10^-8m

(d)

10^-15m

The prefix of 10^-18 is ______________.

(a)

femto

(b)

nano

(c)

giga

(d)

atto

Femto is equal to ______________.

(a)

10^-6m

(b)

10-¹³m

(c)

10^-15m

(d)

10^-12m

Universal time is based on _______________.

(a)

rotation of the earth on its own axis

(b)

earth's orbital motion around the sun

(c)

vibration of cesium atom

(d)

oscillation of quartz clock