MCQ
Refractive index of diamond Is :
  • A
    1
  • B
    1.5
  • 2.42
  • D
    4.14

Answer

Correct option: C.
2.42
C

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

In a potentiometer experiment two cells of $\text{e.m.f.} \ E_1$ and $E_2$ are used in series and in conjunction and the balancing length is found to be $58 \ cm$ of the wire. If the polarity of $E_2$ is reversed, then the balancing length becomes $29 \ cm .$ The ratio $\frac{E_1}{E_3} f$ the $\text{e.m.f.}$ of the two cells is
The function of rectifier is :
................. gave the principle of Electromagnetic Induction.
In the figure a capacitor is filled with dielectrics. The resultant capacitance is
The energy stored in the condenser is
The SI unit of dipole moment is:
Assertion  :   When the speed of an electron increases its specific charge decreases.
Reason      : Specific charge is the ratio of the charge to mass.(a) If both assertion and reason are true and the reason is the correct explanation of the assertion.(b) If both assertion and reason are true but reason is not the correct explanation of the assertion.(c) If assertion is true but reason is false.(d) If the assertion and reason both are false.
 
 
 
 
The expression for the capacity of the capacitor formed by compound dielectric placed between the plates of a parallel plate capacitor as shown in figure, will be $($Zarea of plate $= A)$
A metal surface of work function 1.07 eV is irradiated with light of wavelength 332 nm. The retarding potential required to stop the escape of photo-electrons is(a) 4.81 eV(b) 3.74 eV(c) 2.66 eV(d) 1.07 eV
       
If 2.2kW power is transmitted through a 100Ω  line at 22,000 V,  the power loss in the form of heat will be(a) 0.1 W (b) 1 W(c) 10 W(d) 100 W