Home
Class 12
PHYSICS
Specific rotation of sugar solution is 0...

Specific rotation of sugar solution is 0.5 deg `m^(2)//kg`. `200kgm^(-3)` of impure sugar solution is taken in a sample polarimeter tube of length 20 cm and optical rotation is found to be `19^(@)`. The percentage of purity of sugar is :

A

0.2

B

0.8

C

0.95

D

0.89

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • WAVE OPTICS

    PHYSICS GALAXY - ASHISH ARORA|Exercise Numerical MCQs Single Options Correct|49 Videos
  • WAVE OPTICS

    PHYSICS GALAXY - ASHISH ARORA|Exercise Advance MCQs with One or More Options Correct|27 Videos
  • WAVE OPTICS

    PHYSICS GALAXY - ASHISH ARORA|Exercise Discussion Question|20 Videos
  • THERMODYNAMICS LAWS & SPECIFIC HEATS OF GASES

    PHYSICS GALAXY - ASHISH ARORA|Exercise Practice Exercise 3.4|11 Videos
  • WAVES

    PHYSICS GALAXY - ASHISH ARORA|Exercise Unsolved Numerical Problems for Preparation of NSE, INPhO & IPhO|135 Videos

Similar Questions

Explore conceptually related problems

Specific rotation of sugar solution is 0.01 SI units. 200 kg-m^(-3) of impure sugar solution is taken in a polarimeter tube of length 0.25m and an optical rotation of 0.4 rad is observed. The percentage of purity of sugar in the sample is

Calculate the specific rotation of sugar solution from the following data: length of the polaimeter tueb=0.21 concentration of sugar solution = 80kgm^(-3) angle of rotation = 10^(@)

The observed rotation of 2 gram of a compound in 10ml of solution in polarimeter tube of 25cm long is +24.6^(@) . The specific rotation of the compound (in degree) is

80 gm of impure sugar when dissolved in a litre of water gives an optical rotation of 9.9^(@) when placed in a tube of length 20 cm. If concentration of sugar solution is 75 gm/litre then specific rotation of sugar is :

The observed rotation of 2.0 gm of a compound iin 10 mL solution in a 25 cm long prolarimeter tube + 13.4^(@) . The specific roration of compound is :

a. The specific rotation of a pure enantiomer is +10^(@) . What will be its observed rotation if its is isolated from a reaction with i. 30% racemisation and 70% retention. ii. 70% racemisation and 30% inversion. b. What is the percentage composition of a mixtrue of two enantiomers whose rotation is -10^(@) ? The specific rotation of pure enantiomers is -20^(@) . c. What is the optical purity of a sample having an [alpha]_(obs.)=+9.0^(@) if [alpha]_(D)=+12^(@) .

A tube of sugar solution 20 cm long is placed between crossed nicols and illuminated with light of wavelength 6xx10^(-5) cm If the optical rotation produced is 13^(@) and the specific rotation is 65^(@) determine the strength of the solution

PHYSICS GALAXY - ASHISH ARORA-WAVE OPTICS-Conceptual MCQ Single Option Correct
  1. An optically active compound

    Text Solution

    |

  2. A 20cm length of a certain solution causes right-handed rotation of 38...

    Text Solution

    |

  3. Specific rotation of sugar solution is 0.5 deg m^(2)//kg. 200kgm^(-3) ...

    Text Solution

    |

  4. Two polaroids are placed in the path of unpolarized beam of intensity ...

    Text Solution

    |

  5. Two light waves arrives at a certain point on a screen. The waves have...

    Text Solution

    |

  6. Two beam of light having intensities I and 4I interfere to produce a f...

    Text Solution

    |

  7. A plane electromagnetic wave of frequency w(0) falls normally on the s...

    Text Solution

    |

  8. White light is used to illuminate the two slits in a Young's double sl...

    Text Solution

    |

  9. Ratio of intensities between a point A and that of central fringe is 0...

    Text Solution

    |

  10. Two waves of same intensity produce interference. If intensity at maxi...

    Text Solution

    |

  11. Intensity of central bright fringe due to interference of two identica...

    Text Solution

    |

  12. In a Young’s double slit experiment, the separation of the two slits i...

    Text Solution

    |

  13. In a Young's double slit experiment, 12 fringes are observed to be for...

    Text Solution

    |

  14. In Young's double slit experiment the interference pattern is found to...

    Text Solution

    |

  15. If A is the amplitude of the wave coming from a line source at a dista...

    Text Solution

    |

  16. If A is the amplitude of the wave coming from a line source at a dista...

    Text Solution

    |

  17. Phase difference between two waves having same frequency (v) and same ...

    Text Solution

    |

  18. Widths of two slits in Young's experiment are in the ratio 4 : 1. What...

    Text Solution

    |

  19. Two slits S(1) and S(2) illuminated by a white light source give a whi...

    Text Solution

    |

  20. When a transparent parallel plate of uniform thickness t and refractiv...

    Text Solution

    |