Home
Class 12
PHYSICS
The specific rotation of a liquid of len...

The specific rotation of a liquid of lenth 10 cm,concentration `2 g cm^(-3) ` is `40^@ cm^(-1) g^(-1) cm^3`.The angle s fo roation is

A

`10^@`

B

`70^@`

C

`80^@`

D

`90^@`.

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • UNIT TEST -06

    MODERN PUBLICATION|Exercise EXERCISE|461 Videos

  • TEXUAL QUESTIONS

    MODERN PUBLICATION|Exercise EXERCISE|195 Videos

  • UNIT TEST -07

    MODERN PUBLICATION|Exercise EXERCISE|154 Videos

Similar Questions

Explore conceptually related problems

A semiconductor is known to have an electron concentration of 8 xx 10^(13) cm^(-3) and a hole concentration of 5 xx 10^(12) cm^(-3) . Is the semiconductor n type or p-type?

A semiconductor has electron concentration of 4xx10^12 cm^-3 and hole concentration of 7xx10^-3 cm^-3 . Calculate conductivity of the semicouductor if electron mobility = 22000 cm^2V^-1 s^-1 and hole mobility = 150cm^2V^-1s^-1 .

The specific conductance of a saturated solution of AgCl at 298K is found to be 1.386xx10^-6S cm^-1 . Calculate its solubility (lambda^@_(Ag^+)=62.0 S cm^2 mol^-1 and lambda^@_(Cl^-)=76.3 S cm^2 mol^-1 ).

A semiconductor has electron mobility as 2.2 xx 10^4 cm^2V^-1S^-1 andhole mobility as 1.5 xx 10^2 cm^2 V^-1S^-1 . If the electron concentration in this semiconductor is 40 xx 10^12 cm^-3 and hole concentration as 7 xx 10^14 cm^-3 . Find the type of semiconductor and its conductivity.

A semiconductor has electron concentration of 8 xx 10^-13 cm^-3 and hole concentration of 4 xx 10^-12 cm^-3 .Calculate conductivity of the sample if electron mobility = 24000 cm^2V^-1 s^-1 and hole mobility = 200 cm^2 V^-1 s^--1 and e = 1.6 xx 10^-19C .

The unit of specific conductance is: ohm , ohm^-1cm^-1 ohm^-1cm ohm^2

A semiconductor has electron concentration of 4xx10^12 cm^-3 and hole concentration of 7xx10^-3 cm^-3 . Is the semiconductor n-type or p-type ?

The units of cell constant are: ohm^-1cm^-1 , cm , ohm^-1cm , cm^-1

A semiconductor has electron concentration of 8 xx 10^-13 cm^-3 and hole concentration of 4 xx 10^-12 cm^-3 . Is the semiconductor p-type or n-type ?

A charged particle of mass 1 g is suspended through a silk thread of length 40 cm in a horizontal electric field.fo 4.0 xx 10^4NC^-1 . If the particle stays at a distane of 24 cm from the wall in equilirbium, find the charge on the particle.

MODERN PUBLICATION-UNIT TEST -06-EXERCISE
  1. The aperture of the largest telescope in teh world is of the order of ...

    Text Solution

    |

  2. Which of the following phenomenon shows the transverse nature of light...

    Text Solution

    |

  3. The waves that cannot be polarised are:

    Text Solution

    |

  4. When a polariod is rotated,the intenstiy of ligth is not found to vary...

    Text Solution

    |

  5. What are plane of polarisation and plane of vibration?

    Text Solution

    |

  6. In the propagation of ligth waves,the ngle between the direction of pr...

    Text Solution

    |

  7. When the light is incident at the polarising angle ,which of the follo...

    Text Solution

    |

  8. A ray of light is incident on a medium at polarising angle .What is th...

    Text Solution

    |

  9. What is the polarising anle of a medium of refractive index sqrt3?

    Text Solution

    |

  10. The expression relating polarising angle nad refrractive indes is

    Text Solution

    |

  11. If the speed of light and the polarising angle for a given medium are ...

    Text Solution

    |

  12. Suppose P is polarising angle for a transparent medium an the speed of...

    Text Solution

    |

  13. A ray of light is incident on a medium at polarising angle .What is th...

    Text Solution

    |

  14. Which of the following materials may be used to produce polaroids?

    Text Solution

    |

  15. The property of rotating the plane of polarisation is known as

    Text Solution

    |

  16. When a polaroid is rotated,the intesntiy of light varies and correspon...

    Text Solution

    |

  17. When a polaroid is rotated,the intensity of light varies but never red...

    Text Solution

    |

  18. The specific rotation of an optically active substance of lenth l cm a...

    Text Solution

    |

  19. A decimetre length of solution with concentratin 500 kg m^(-3) rotate...

    Text Solution

    |

  20. The specific rotation of a liquid of lenth 10 cm,concentration 2 g cm^...

    Text Solution

    |