Related Questions

Which of the following phenomenon helps to conclude that light is a transverse wave?
A Interference
B Diffraction
C Polarisation
D Refraction
আলোর আড় তরঙ্গ প্রকৃতি নিম্নলিখিত কোন ঘটনা দ্বারা পরীক্ষা করা হয়? (Transverse wave nature of light is examined by which of the following phenomena?)
A বিচ্ছুরণ (Dispersion)
B অপবর্তন (Diffraction)
C সমবর্তন (Polarization)
D বিক্ষেপণ (Scattering)
The green light only ever goes on when tank A is full and tank C isn't empty. The red light is always on unless either tank A isn't Full or tank B is empty. Given that the green light is on, we can conclude all of the following EXCEPT---
A Tank A cannot be empty
B The red light must be on
C Tank C cannot be empty
D we don't have enough information to determine whether tank B is empty or not
The surface of a certain planet reflects 80 percent of the light that strikes it. The clouds around the planet then absorb 40 percent of the reflected light. What percent of the light that strikes the planet is reflected from the surface and passes through the clouds without being absorbed?
A 32%
B 40%
C 48%
D 60%
In which one of the following the phenomenon of total internal reflection of light is used ?
A Formation of mirage
B Working of binoculars
C Formation of rainbow
D Twinkling of stars
The phenomenon of change in direction of light when it passes from one medium to another is called
A Propagation
B Reflection
C Refraction
D Dispersion
________ is a natural electrical phenomenon characterized by the appearance of streams of reddish or greenish light in the sky, especially near the northern or southern magnetic pole
A Acaulis
B Matus
C Albopictus
D Aurora
When light passes from one medium to another, this phenomenon of change in its direction is called ________
A Refraction
B Diffraction
C Propagation
D No option is correct
Which of the following is not a transverse wave?
A Light waves
B Radio waves
C Sound waves
D All the above
The flow which neglects changes in a transverse direction is known as
A one dimensional flow
B uniform flow
C steady flow
D turbulent flow

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