NMMS SCIENCE ONLINE TEST IN ENGLISH MEDIUM

NMMS SCIENCE ONLINE TEST IN ENGLISH MEDIUM – 01

NMMS SCIENCE

NMMS SCIENCE ONLINE TEST-01

NMMS SCIENCE ONLINE TEST IN ENGLISH MEDIUM

1 / 25

1) The unit of mass in the FPS system is _____.

A) g

B) kg

C) kgWt

D) pound

2 / 25

2) Faraday is a unit of _____.

A) time

B) length

C) charge

D) capacitance

3 / 25

The National Physical Laboratory of India is located in _____.

A) Goa

B) Chennai

C) Lucknow

D) New Delhi

4 / 25

N/m^(2) is more commonly known as _____.

A) Watt

B) Joule

C) Kelvin

D) Pascal

5 / 25

A system of units is _____.

A) arbitrary

B) fictitious

C) purely a convention

D) a method of assigning units to physical quantities

6 / 25

The SI unit system is based on the _____.

A) CGS system

B) MKS system

C) FPS system

D) (None of the above)

7 / 25

1 km/s is the same as _____.

A) 1 m/s

B) 1 foot/s

C) 10^(3) m/s

D) (5/18) m/s

8 / 25

25 Megajoules can also be expressed as _____ .

A) 25000 J

B) 250000 J

C) 2500000 J

D) 25000000 J

9 / 25

The convenient unit for measuring energy in atomic physics is _____ .

A) Erg

B) Joule

C) Calorie

D) Electron Volt

10 / 25

In the SI unit system, the units of the fundamental quantities are defined in terms of _____ defining constants.

A) 3

B) 4

C) 7

D) 9

11 / 25

In the SI unit system, the units of derived quantities are expressed in terms of units of _____.

A) any physical quantity

B) only fundamental quantities

C) mass, length and time only

D) fundamental and complementary quantities

12 / 25

The time rate of change of velocity will have the unit of _____.

A) m/s

B) m/s^(2)

C) m/s^(3)

D) (not a meaningful quantity)

13 / 25

When a physical concept is expressed mathematically, then it is called a _____.

A) unit

B) value

C) physical quantity

D) mathematical equation

14 / 25

If the value of acceleration due to gravity is 9.8 m/s^2, then its value in the CGS system will be _____.

A) 10 m/s^(2)

B) 980 cm/s^(2)

C) 32 ft/s^(2)

D) 9.8 cm/s^(2)

15 / 25

Which of the following quantities has/have no unit? A: Plane angle B: Refractive index C: Relative density

A) Only A

B) Only C

C) Only B and C

D) All - A, B and C

16 / 25

1 slice of cake weighs 50 g. What will be the weight of 5 such slices of cake?

A) 250 kg

B) 10 kg

C) 0.25 kg

D) 0.05 kg

17 / 25

It is given that Q = (Force × Volume)/(Area). Which of the following is a correct unit for Q?

(i) Nm

(ii) Joule

(iii) kg m^(2) s^(–2)

A) Only (i)

B) Only (iii)

C) Only (ii) and (iii)

D) All - (i), (ii) and (iii)

18 / 25

A car travels at a speed of 30 kilometres per hour. How many meters does it travel in 10 minutes?

A) 500 m

B) 1000 m

C) 2500 m

D) 5000 m

19 / 25

A second is 1/60 of a minute, which is 1/60 of an hour, which is 1/24 of a day. Hence, a second is _____ of a day.

A) 86400

B) 144

C) 1/144

D) 1/86400

20 / 25

Q = {frequency × Planck's constant}/(speed of light)^(2) If the units of frequency, Planck's constant and speed of light are Hertz, J s and m/s respectively, then, Q has the unit of _____.

A) mass

B) length

C) energy

D) momentum

21 / 25

Is a measurement with no error possible? Justify.

A) Yes, since technology has evolved to the point that we can achieve 100% accuracy in measurements.

B) Yes, since humans have completely moved away from analogue devices to digital devices that give precise readings.

C) No, since there is inherent uncertainty in the quantity being measured owing to factors like the least count of the measuring instrument.

D) No, since there are limits to exponents when measuring large quantities (yotta => 10^(24)) and small quantities (yocto => 10^(-24)).

22 / 25

Predict the key outcome that would logically follow from every country following their own systems of measurement.

A) Every country would get to retain their cultural identity and fight globalisation.

B) Scientists would find it difficult to collaborate and share research findings.

C) A diversity in units would enrich the knowledge bank and benefit scientists around the world.

D) Human error would be completely eliminated since each community would use units that they are 100% confident about.

23 / 25

Which of the following have the same units? (a) (force/mass) (b) (pressure × area) / (mass) (c) (momentum) / (time × mass)

A) Only (a) and (b)

B) Only (a) and (c)

C) Only (b) and (c)

D) All - (a), (b) and (c)

24 / 25

The SI unit of electric current is _____.

A) Kelvin

B) Ampere

C) Coulomb

D) Candela

25 / 25

The magnitude of electric current is the amount of electric charges flowing through a conductor _____.

A) per unit time

B) per unit length

C) per unit kilogram

D) per unit temperature

Your score is

LEADER BOARD

Pos.	Name	Score	Duration
1	ARUN	20 %	1 minutes 4 seconds
2	தேவன்	12 %	49 seconds

NMMS SCIENCE ONLINE TEST IN ENGLISH MEDIUM

NMMS SCIENCE ONLINE TEST IN ENGLISH MEDIUM – 01

KARKANDU KANITHAM

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