HSC 2027 PHYSICS CHAPTER 6 SUPERPOSITION OF WAVES
MOST EXPECTED QUESTIONS
1. PROVE THAT THE FREQUENCY OF BEATS IS EQUAL TO THE FREQUENCIES OF 2 SOUND NOTES GIVING RISE TO THE BEATS
2. SHOW THAT FREQUENCIES OF 2 SOUND WAVES IS THE DIFFERENCE BETWEEN THE INDIVIDUAL FRQUENCIES OF THOSE WAVES
3. DERIVE AN EXPRESSION FOR EQUATION OF A STATIONARY WAVE ON A STRECHED STRING.
4. SHOW THAT THE DISTANCE BETWEEN 2 NODES OR ANTINODES IS 入 /2
5. SHOW THAT ALL HARMONICS ARE PRESENT IN A STRECHED STRING
6. OBTAIN AN EXPRESSION FOR END CORRECTION FOR A PIPE OPEN AT BOTH ENDS AND FOR A PIPE CLOSED AT ONE END
7. SHOW THAT ONLY ODD HARMONICS ARE PRESENT IN THE VIBRATIONS OF AIR COLUMN IN A PIPE CLOSED AT ONE END
8. DISTINGUISH BETWEEN HARMONICS AND OVERTONES
9. STATE 2 CHARACTERISTICS OF PROGRESSIVE WAVES
10. DIFFERENCE BETWEEN FREE & FORCED VIBRATIONS
11. STATE THE LAWS OF LINEAR LENGTH & LINEAR DENSITY
12. DIFFERENCE BETWEEN STATIONARY & PROGRESSIVE WAVES
13. STATE THE FORMULA FOR END CORRECTION IN RESONANCE TUBE EXPERIMENT
14. STATE 2 CHARACTERISTICS OF STATIONARY WAVES
15. SHOW THAT ALL HARMONICS ARE PRESENT IN CASE OF AN AIR COLUMN VIBRATING IN PIPE OPEN AT BOTH ENDS
16. SOLVE ALL PYQ & TEXTBOOK NUMERICALS