Dreamjob45 – Important physical quantities & relations, Mathematics Formulas and Short biology Questions.

Dreamjob45 – Important physical quantities & relations, Mathematics Formulas and Short biology Questions.

2nd part –

 * Physical amount Physical quantities relation to other physical quantities *

 1. Area = Length × Width

 2. Volume = Length × Width × Height

 3. Mass  Mass / Income

 4. Frequency = 1 / Periodic

 5. Velocity = Displacement / Time

 6.  Speed = ​​Distance / Time

 7. Acceleration = Velocity / Time

 8. Force = mass × acceleration

 9. Impulse = Force × Time

 10. Work = Force × Distance

 11. Energy = Force × Distance

 12. Power = Work / Time

 13. Momentum = mass × velocity

 14. Pressure  Area

 15. Stress = force / area

 16. Changes in Deformation = Strain Vimas / Original Vimas

 17. Elasticity  = Coefficient of elasticity stress / deformation

 18. Page tension = force / length

 19. Surface tension = Energy / Area

 20. Velocity gradient = velocity/ distance

 21. Pressure gradient =pressure / distance

 22. Viscosity coefficient Coefficient of viscosity force / (area × velocity slope)

 23. Angle = Arc / Radius

 24. Trigonometric Ratio = length / length

 25. Angular velocity = Angle / time

 26. Angular acceleration = angular velocity / time

 27. Angular momentum = Inertial moment × angular velocity

 28. Inertia moment = mass × (revolutions radius) 2

 29. Force = Torque Force × Distance

 30. Angular frequency = 2π × frequency

 31. Gravitational universal /constant universal constant of gravity =of force × (distance) 2 / (mass) 2

 32. Plank constant = energy / frequency

 33. Specific heat = Thermal energy / (mass × heat)

 34. Heat Capacity = Thermal Energy / Heating

 35. Boltzmann constant = energy / heat

 36. Stefan constant = (energy / area × time) / (heat) 4

 37. Gas constant = (pressure × volume) / (mole × heat)

 38. Charge = electric current × time

 39. Differential Potential difference

 40. Resistance = Differential / Electric Current

 41. Capacity = Charge / Differential

 42. Electric field = Electrical force / charge

 43. Magnetic field = force / (electric current × length)

 44. Magnetic flux = magnetic field × length

 45. Inductance Inductance = Magnetic Flux / Electric Current

 46. ​​Vein constant = wavelength × heat

 47. Conductivity = 1 / Resistance

 48. Entropy = Thermal Energy / Heating

 49. Secret heat = thermal energy / mass

 50. Thermal Diffusion = cofficient of thermal expansion.

51.  Volume elasticity coefficient Bulk modulus (change in volume × pressure) / change in volume

 52. Electrical resistance = (resistance × area) / length

 53. Electric dipole moment Electric dipole moment force torque / electric field

 54. Magnetic dipole moment Magnetic dipole moment force momentary / magnetic field

 55. Magnetic field = strength magnetic moment / volume

 56. Refractive index = Movement of light in vacuum / Speed ​​of light in medium

 57. Wave number = 2π / wavelength

 58. Radiation power = Emitted energy / time

 59. Radiation intensity = Radiation power / cubic angle

 60. Hubble constant = backward array speed / distance

Important Mathematics Formulas – 

1. (α + в) ² = α² + 2αв + в²
 2. (α + в) ² = (α-в) ² + 4αв
 3. (α-в) ² = α²-2αв + в²
 4. (α-в) ² = (α + в) ²-4αв
 5. α² + в² = (α + в) ² – 2αв.
 6. α² + в² = (α-в) ² + 2αв.
 7. α²-в² = (α + в) (α – в)
 8. 2 (α² + в²) = (α + в) ² + (α – в) ²
 9. 4αв = (α + в) ² – (α-в) ²
 10. αв = {(α + в) / 2} ² – {(α-в) / 2} ²
 11. (α + в + ¢) ² = α² + в² + ¢ ² + 2 (αв + в ¢ + ¢ α)
 12. (α + в) ³ = α³ + 3α²в + 3αв² + в³
 13. (α + в) ³ = α³ + в³ + 3αв (α + в)
 14. (α-в) ³ = α³-3α²в + 3αв²-в³
 15. α³ + в³ = (α + в) (α² -αв + в²)
 16. α³ + в³ = (α + в) ³ -3αв (α + в)
 17. α³ –в³ = (α –в) (α² + αв + в²)
 18. α³ -в³ = (α-в) ³ + 3αв (α-в)
 ѕιη0 ° = 0
 ѕιη30 ° = 1/2
 ѕιη45 ° = 1 / √2
 ѕιη60 ° = √3 / 2
 ѕιη90 ° = 1
 ¢ σѕ ιѕ σρρσѕιтє σƒ ѕιη
 тαη0 ° = 0
 тαη30 ° = 1 / √3
 тαη45 ° = 1
 тαη60 ° = √3
 тαη90 ° = ∞
 ¢ σт ιѕ σρρσѕιтє σƒ тαη
 ѕє ¢ 0 ° = 1
 ѕє ¢ 30 ° = 2 / √3
 ѕє ¢ 45 ° = √2
 ѕє ¢ 60 ° = 2
 ѕє ¢ 90 ° = ∞
 ¢ σѕє ¢ ιѕ σρρσѕιтє σƒ ѕє ¢
 2ѕιηα ¢ σѕв = ѕιη (α + в) + ѕιη (α-в)
 2 ¢ σѕαѕιηв = ѕιη (α + в) -ѕιη (α-в)
 2 ¢ σѕα ¢ σѕв = ¢ σѕ (α + в) + ¢ σѕ (α-в)
 2ѕιηαѕιηв = ¢ σѕ (α-в) – ¢ σѕ (α + в)
 ѕιη (α + в) = ѕιηα ¢ σѕв + ¢ σѕα ѕιηв.
 »¢ σѕ (α + в) = ¢ σѕα ¢ σѕв – ѕιηα ѕιηв.
 »Ѕιη (α-в) = ѕιηα ¢ σѕв- ¢ σѕαѕιηв.
 »¢ σѕ (α-в) = ¢ σѕα ¢ σѕв + ѕιηαѕιηв.
 »Тαη (α + в) = (тαηα + тαηв) / (1 − тαηαтαηв)
 »Тαη (α − в) = (тαηα – тαηв) / (1+ тαηαтαηв)
 »¢ σт (α + в) = (¢ σтα ¢ σтв −1) / (¢ σтα + ¢ σтв)
 »¢ σт (α − в) = (¢ σтα ¢ σтв + 1) / (¢ σтв− ¢ σтα)
 »Ѕιη (α + в) = ѕιηα ¢ σѕв + ¢ σѕα ѕιηв.
 »¢ σѕ (α + в) = ¢ σѕα ¢ σѕв + ѕιηα ѕιηв.
 »Ѕιη (α-в) = ѕιηα ¢ σѕв- ¢ σѕαѕιηв.
 »¢ σѕ (α-в) = ¢ σѕα ¢ σѕв + ѕιηαѕιηв.
 »Тαη (α + в) = (тαηα + тαηв) / (1 − тαηαтαηв)
 »Тαη (α − в) = (тαηα – тαηв) / (1+ тαηαтαηв)
 »¢ σт (α + в) = (¢ σтα ¢ σтв −1) / (¢ σтα + ¢ σтв)
 »¢ σт (α − в) = (¢ σтα ¢ σтв + 1) / (¢ σтв− ¢ σтα)
 α / ѕιηα = в / ѕιηв = ¢ / ѕιη ¢ = 2я
 »Α = в ¢ σѕ ¢ + ¢ ¢ σѕв
 »В = α ¢ σѕ ¢ + ¢ ¢ σѕα
 »¢ = α ¢ σѕв + в ¢ σѕα
 »¢ σѕα = (в² + ¢ ²− α²) / 2в ¢
 »¢ σѕв = (¢ ² + α²− в²) / 2 ¢ α
 »¢ σѕ ¢ = (α² + в²− ¢ ²) / 2 ¢ α
 »Δ = αв ¢ / 4я
 »ЅιηΘ = 0 тнєη, Θ = ηΠ
 »ЅιηΘ = 1 тнєη, Θ = (4η + 1) Π / 2
 »ЅιηΘ = −1 тнєη, Θ = (4η− 1) Π / 2
 »ЅιηΘ = ѕιηα тнєη, Θ = ηΠ (−1) ^ ηα

 1. ѕιη2α = 2ѕιηα ¢ σѕα
 2. ¢ σѕ2α = ¢ σѕ²α – ѕιη²α
 3. ¢ σѕ2α = 2 ¢ σѕ²α – 1
 4. ¢ σѕ2α = 1 – ѕιη²α
 5. 2ѕιη²α = 1 – ¢ σѕ2α
 6. 1 + ѕιη2α = (ѕιηα + ¢ σѕα) ²
 7. 1 – ѕιη2α = (ѕιηα – ¢ σѕα) ²
 8. тαη2α = 2тαηα / (1 – тαη²α)
 9. ѕιη2α = 2тαηα / (1 + тαη²α)
 10. ¢ σѕ2α = (1 – тαη²α) / (1 + тαη²α)
 11. 4ѕιη³α = 3ѕιηα – ѕιη3α
 12. 4 ¢ σѕ³α = 3 ¢ σѕα + ¢ σѕ3α

 »Ѕιη²Θ + ¢ σѕ²Θ = 1
 »Ѕє ¢ ²Θ-тαη²Θ = 1
 »¢ σѕє ¢ ²Θ- ¢ σт²Θ = 1
 »ЅιηΘ = 1 / ¢ σѕє ¢ Θ
 »¢ σѕє ¢ Θ = 1 / ѕιηΘ
 »¢ σѕΘ = 1 / ѕє ¢ Θ
 »Ѕє ¢ Θ = 1 / ¢ σѕΘ
 »ТαηΘ = 1 / ¢ σтΘ
 »¢ σтΘ = 1 / тαηΘ
 »ТαηΘ = ѕιηΘ / ¢ σѕΘ

  Short Biology Questions – 

 1.: – Which acid accumulates in the muscles leads to exhaustion?
 Ans: – Lactic acid

 2.: – Which acid is found in grapes?
 Ans: – Tartaric acid

 3.: – Study of cancer related diseases is called
 Answer: – Organology

 4.: – Which is the longest cell in human body?
 Ans: – Nerve cell

 5.: – Teeth are mainly made up of which substance?
 Ans: – of dentine

 6.: – Which animal has the shape of foot slippers?
 Ans: – Parametium

 7.: – How many eyes does earthworm have?
 Ans: – None.

 8.: – Carrot is a rich source of which vitamin?
 Answer: – Vitamin A

 9.: – Protein is not found in which of the following substances?
 Ans: – Rice

 10.: – How many grams of human brain is there?
 Answer: – 1350

 11.: – is a metal found in blood
 Ans: – Iron

 12.: – Example of fermentation
 Ans: – Sourness of milk, formation of food bread, sourness of wet flour.

 13.: – Which of the following diet provides nutrients for growth of new tissues in human body?
 Ans: – Cheese

 14.: – Which of the following is a flying lizard?
 Ans: – Draco

 15.: – Which is the only snake nest?
 Ans: – King Cobra

 16.: – Which is the largest fish found in India?
 Answer: – whale shark

 17.: – Pulses are a good source of
 Ans: – Protein

 18.: – Why does native ghee smell fragrant?
 Ans: – Due to diacetyl

 19.: – Which color deflection is more in the rainbow?
 Answer: – Red color

 20.: Who invented television?
 Answer: – J.  L.  Baird

 21: – Why does a diamond appear shiny?
 Ans: – Due to collective internal reflection

 22.: – What is found mainly in ‘dung gas’.
 Answer: – Methane

 23.: – With which machine the purity of milk is measured?
 Ans: – Lactometer

 24.: – Which is the highest metal element found on Earth?
 Answer: – Aluminum

 25.: – Pearl is mainly made up of which substance?
 Ans: – Calcium Carbonate

 26.: – Which element is found in maximum quantity in human body?
 Ans: – Oxygen

 27.: – What type of tissues act as the body’s protective shield?
 Ans: – Epithelium tissue

 28.: – Which animal did man first domesticate?
 Ans: – Dog

 29.: – Which scientist first melted and melted two pieces of ice?
 Answer: – Davy

 30.: – Who produces the highest intensity sound?
 Answer: – Tiger

 31.: – When sound waves move, they carry them
 Ans: – Energy

 32. – Which part of the sun is visible at the time of solar eclipse?
 Ans: – Kirit

 33. – How many colors are there in the ray of sun?
 Answer: – 7

 34. – Who is the inventor of ‘typewriter’?
 Ans: – Sholes

 35. – What is vinegar called in Latin language.
 Ans: – Assetam

 36 .: – Used to remove rust spots from clothes
 Ans: – Oxalic acid

 37 .: – ‘Red rot disease’ in sugarcane is caused due to
 Ans: – by fungi

 38. – What is the botanical name of mango?
 Answer: – Mangifera Indica

 39. – ‘Chikori churna’ mixed with coffee powder is obtained
 Ans: – By roots

 40. – What is the best source of Vitamin-C?
 Ans: – Amla

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