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Neet Physics > Units And Measurements > Flashcards

Units And Measurements Flashcards

1
Q

1 amu = … joules (=931MeV)

A

1.5 x 10^-10 joules

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2
Q

Velocity gradient =

A

Velocity / distance

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3
Q

Bq full form

A

Bacquerel

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4
Q

1 rad/s = ….. rev/min

A

9.6 rev/min

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5
Q

1 ly = ….metres

A

9.461 x 10^15 metres

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6
Q

1 N = …. poundals

A

7.23 poundals

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7
Q

Rd full form

A

Rutherford

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8
Q

1 amu = … MeV

A

931 MeV

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9
Q

1 slug = …. kg

A

14.6 kg

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10
Q

1 Chandrashekhar limit =

A

1.4 x mass of sun

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11
Q

Ci full form

A

Curie

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12
Q

1 Rd = … dps

A

10^6 dps

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13
Q

1 weber = ….. maxwell

A

10^8 maxwell (magnetic flux)

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14
Q

1 T = … gauss

A

10^4 gauss
Or
10^4 G

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15
Q

Planck’s Constant

A

6.62 x 10^-34 J-s

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16
Q

1 amu = .. g

A

1.66 x 10^-24 gram

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17
Q

1 Ci = … dps

A

3.7 x 10^10 dps

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18
Q

1 parsec or parallactic second = …. ly

A

3.26 ly

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19
Q

Btu full form

A

British thermal unit

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20
Q

Gravitational constant

A

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

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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

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22
Q

Stefan-Boltzmann constant

A

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

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23
Q

Pressure gradient =

A

Pressure/distance

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24
Q

1 rev/min = … rad/s

A

0.1 rad/s

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25
Q

1 rad = …. °

A

57.3°

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26
Q

1 emu / 1 ab coulomb = … coulomb

A

10

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27
Q

1 Bq = …. dps

A

1 dps

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28
Q

International year of physics

A

2005

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29
Q

1 metric tonne = .. kg

30
Q

Boltzmann constant

A

1.38 x 10^-23 J/K

31
Q

Value of g in F.P.S unit

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

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)

40
Q

1 hectare = … 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

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

53
Q

1m = …… yard

54
Q

1 stat coulomb / 1 esu = …. coulomb

A

3.33 x 10^-10 coulomb

55
Q

1 ton = … 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

61
Q

Electron rest energy

62
Q

1 lb-wt = …. poundal

A

32 poundal

63
Q

1 kg = …..pounds

A

2.2 pounds

64
Q

1 ounce = ….. grams

65
Q

1 parsec or parallactic second = ….. metres

A

3.08 x 10^16 metres

66
Q

1 carat

67
Q

1 Roentgen

A

2.58 x 10^-4 C/kg

68
Q

1 barn =

A

10⁻²⁸m²

69
Q

1 are =

70
Q

1 hectare =

A

10⁴ m² (100 are)

Neet Physics (3 decks)

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