HARD
12th Telangana Board
IMPORTANT
Earn 100

State the conditions for getting steady interference pattern.

Important Questions on Wave Optics

HARD
12th Telangana Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 3 - Wave Optics>Exercise>Q 25
Give the theory of interference bands and hence obtain an expression for fringe width.
HARD
12th Telangana Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 3 - Wave Optics>Exercise>Q 26

Derive the expression for the intensity at a point where interference of light occurs. Arrive at the conditions for maximum and zero intensity.

HARD
12th Telangana Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 3 - Wave Optics>Exercise>Q 27
Obtain the equation for the resultant intensity due to interference of light .
HARD
12th Telangana Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 3 - Wave Optics>Exercise>Q 28
Describe Young's experiment to observe an interference of light and write two points of importance of the experiment.
MEDIUM
12th Telangana Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 3 - Wave Optics>Exercise>Q 29
In a single slit diffraction experiment, the width of the slit is made double the original width. How does this affect the size and intensity of the central diffraction band?
MEDIUM
12th Telangana Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 3 - Wave Optics>Exercise>Q 30
In deriving the single slit diffraction pattern, it was stated that the intensity is zero at angles of nλa. Justify this by suitably dividing the slit to bring out the cancellation.
MEDIUM
12th Telangana Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 3 - Wave Optics>Exercise>Q 31

When a tiny circular obstacle is placed in the path of light from a distant source, a bright spot is seen at the centre of the shadow of the obstacle. Explain why?

MEDIUM
12th Telangana Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 3 - Wave Optics>Exercise>Q 32

Two students are separated by a 7 m partition wall in a room 10 m high. If both light and sound waves can bend around obstacles, how is it that the students are unable to see each other even though they can converse easily.