Units And Measurements Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

1 amu = … joules (=931MeV)

A

1.5 x 10^-10 joules

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Velocity gradient =

A

Velocity / distance

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Bq full form

A

Bacquerel

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

1 rad/s = ….. rev/min

A

9.6 rev/min

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

1 ly = ….metres

A

9.461 x 10^15 metres

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

1 N = …. poundals

A

7.23 poundals

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Rd full form

A

Rutherford

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

1 amu = … MeV

A

931 MeV

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

1 slug = …. kg

A

14.6 kg

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

1 Chandrashekhar limit =

A

1.4 x mass of sun

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Ci full form

A

Curie

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

1 Rd = … dps

A

10^6 dps

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

1 weber = ….. maxwell

A

10^8 maxwell (magnetic flux)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

1 T = … gauss

A

10^4 gauss
Or
10^4 G

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Planck’s Constant

A

6.62 x 10^-34 J-s

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

1 amu = .. g

A

1.66 x 10^-24 gram

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

1 Ci = … dps

A

3.7 x 10^10 dps

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

1 parsec or parallactic second = …. ly

A

3.26 ly

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Btu full form

A

British thermal unit

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Gravitational constant

A

6.67 x 10^-11 N-m^2/kg^2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Who showed weak nuclear force and electromagnetic force were diff aspects of single electro-weak force

A

Sheldon Glashow
Abdus Salam
Steven Weinberg

1979

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Stefan-Boltzmann constant

A

5.67 x 10^-8 W/m^2-K^4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Pressure gradient =

A

Pressure/distance

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

1 rev/min = … rad/s

A

0.1 rad/s

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

1 rad = …. °

A

57.3°

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

1 emu / 1 ab coulomb = … coulomb

A

10

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

1 Bq = …. dps

A

1 dps

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

International year of physics

A

2005

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

1 metric tonne = .. kg

A

1000 kg

30
Q

Boltzmann constant

A

1.38 x 10^-23 J/K

31
Q

Value of g in F.P.S unit

A

32 ft/s^2

32
Q

1 AU = …. metres

A

1.49 x 10^11 m

33
Q

Who experimentally verified predictions of electro-weak theory

A

Carlo Rubia
Simon Vander Meer

1984

34
Q

1 oersted = …….. A/m

A

79.55 A/m (intensity of magnetic field)

Approximately 80A/m

35
Q

1 quintal = … kg

A

100 kg

36
Q

Universal gas constant

A

8.31 J/mol-K

37
Q

1 Btu = ….. joules

A

1055 joules

38
Q

Bohr magneton

A

9.27 x 10^-24 J/T

39
Q

1 poiseuille = ….. poise (For Viscosity)

A

10

40
Q

1 hectare = … acres

A

2.5 acres

41
Q

1 esu = …. stat coulomb

A

1 stat coulomb

42
Q

Permittivity of free space value

A

8.85 x 10^-12 C^2/N-m^2

43
Q

1 Bohr radius =

A

.529 Amstrong

44
Q

Poiseuille unit

A

Pa-s
Or
N-s/m^2

45
Q

1 mile = …. metres

A

1600 metres

46
Q

Permeability of free space =

A

1.27 x 10^-6 Wb/A-m ( 4πx10^-7)

47
Q

1 torr = …. Pa

A

153 Pa

48
Q

1 AU is defined as

A

The avg distance btw sun and earth

49
Q

1m = …. inches

A

39.4 inches

50
Q

1 year = … seconds

A

31.56 x 10^6 s

51
Q

1 nautical mile = …. metres

A

1852 metres

52
Q

1 feet = … cm

A

30.5 cm

53
Q

1m = …… yard

A

1.1 yards

54
Q

1 stat coulomb / 1 esu = …. coulomb

A

3.33 x 10^-10 coulomb

55
Q

1 ton = … kg

A

907 kg

56
Q

Rydberg constant

A

1.1 x 10^7 m^-1

57
Q

1 T =

A

1 weber/m^2 (magnetic flux density)

58
Q

1 shake =

A

10^-8 second

59
Q

1 emu = … ab coulomb

A

1 ab coulomb

60
Q

1 lb = …. grams

A

454 g

61
Q

Electron rest energy

A

.511 MeV

62
Q

1 lb-wt = …. poundal

A

32 poundal

63
Q

1 kg = …..pounds

A

2.2 pounds

64
Q

1 ounce = ….. grams

A

28 grams

65
Q

1 parsec or parallactic second = ….. metres

A

3.08 x 10^16 metres

66
Q

1 carat

A

200 mg

67
Q

1 Roentgen

A

2.58 x 10^-4 C/kg

68
Q

1 barn =

A

10⁻²⁸m²

69
Q

1 are =

A

10² m²

70
Q

1 hectare =

A

10⁴ m² (100 are)