The equation θ = 1.22 λ/D was devised by_______________?

Related Mcqs:

1. Michelson devised the formula to calculate the speed of light_______________?

   A. C = 4fd B. C = 8fd C. C = 16fd D. C = 5/2fd...

2. Einstein’s photoelectric equation is given by_______________?

   A. 1/2 mvmax2=hf+Φ B. 1/2 mvmax2-hf = Φ C. 1/2 mvmax2=hf-Φ D. All of above are correct...

3. An alternating current is represented by the equation I = I∫sinπt which of the following equation represents an alternating current of frequency and amplitude twice that of the above current ?

   A. I = 2I∫Sin(πt/2) B. I = 2I∫Sin(2πt) C. I = 2ISinπt D. I = I∫sin(2πt)...

4. The velocity of light was determined accurately by_______________?

   A. Newton B. Michelson C. Huygen D. Young...

5. The direction of a vector in space is specified by_______________?

   A. One angle B. Two angle C. Three angle D. No angle...

6. Random errors can be reduced by_______________?

   A. Taking zero correction B. Comparing the instrument with another more accurate one C. Taking mean of several measurements D. All methods explained in A, B and C...

7. The period of a circular motion is given by_______________?

   A. T = πv B. T = πw C. T = 2πr D. T = 2πr/v...

8. The restoring force acting on the simple pendulum is given by_______________?

   A. mg sin θ B. mg sin θ C. mg cos θ D. mg cos θ...

9. The relativistic energy E is equivalent to relativistic mass given by_______________?

   A. Ec2 B. E/c2 C. E/c D. c2/E...

10. In He-Ne laser the lasing action is produced by_______________?

    A. Ne only B. He-Ne both C. Electrons of He D. Electrons Ne...