HSC 2027 PHYSICS CHAPTER 7 WAVE OPTICS MOST EXPECTED QUESTIONS

HSC 2027 PHYSICS CHAPTER 7 WAVE OPTICS 

MOST EXPECTED QUESTIONS

1. USING THE GEOMETRY OF YOUNGS DOUBLE SPLIT EXPERIMENT DERIVE AN EXPRESSION FOR FRINGE WIDTH OF INTERFERENCE BANDS

2. STATE HUYGENS PRINCIPLE . STATE MALUS LAW

3. EXPLAIN GEOMETRICAL CONSTRUCTION OF PLANE WAVEFRONT

4. DERIVE THE LAWS OF REFLECTION OF LIGHT USING HUYGENS THEORY

5. WHAT IS BREWSTERS LAW. DERIVE THE FORMULA FOR BREWSTERS ANGLE

6. WHAT ARE FRESNEL & FRAUNHOFER DIFFRACTIONS

7. STATE THE CONDITIONS FOR STEADY INTERFERENCE PATTERN

8. EXPLAIN THE CONSTRUCTION OF SPHERICAL WAVEFRONT

9. DISTINGUISH BETWEEN INTERFERENCE & DIFFRACTION

10. STATE ANY ONE METHOD OF POLARIZATION OF LIGHT 

11. DERIVE THE LAWS OF REFRACTION USING HUYGENS THEORY

12. RELATION BETWEEN POLARIZING ANGLE & REFRACTIVE INDEX

13. WHAT IS INTERFERENCE OF LIGHT

14. USING ANALYTICAL METHOD OBTAIN THE EXPRESSION FOR FRINGE WIDTH OF 2 INTERFERING WAVES.

HSC 2027 PHYSICS CHAPTER 6 SUPERPOSITION OF WAVES MOST EXPECTED QUESTIONS

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

HSC 2027 PHYSICS CHAPTER 5 OSCILLATIONS MOST EXPECTED QUESTIONS

HSC 2027 PHYSICS CHAPTER 5 OSCILLATIONS  

MOST EXPECTED QUESTIONS

1. STATE THE DIFFERENTIAL EQUATION OF LINEAR SHM

2. OBTAIN AN EXPRESSION FOR ACCELARATION ,VELOCITY ,DISPLACEMENT FOR A PARTICLE PERFORMING LINEAR SHM

3. DISCUSS ANALYTICALLY THE COMPOSITION OF 2 SHM HAVING SAME PERIOD ALONG THE SAME PATH. OBTAIN THE  RESULTANT AMPLITUDE 

4. FIND THE AMPLITUDE WHEN PHASE DIFFERENCE IS  0 AND pi/2 RADIANS

5. OBTAIN THE EXPRESSION FOR TIME PERIOD OF A SIMPLE PENDULUM

6. DEFINE SECONDS PENDULUM. DERIVE A FORMULA FOR ITS LENGTH 

7. OBTAIN THE DIFFERENTIAL EQUATION OF LINEAR SHM

8. DRAW A NEAT DIAGRAM OF VARIATION OF KINETIC & POTENTIAL ENERGY WITH DISPLACEMENT IN SHM

9. DISTINGUISH BETWEEN FREE & FORCED VIBRATIONS

10. WHAT IS THE VELOCITY OF PARTICLE PERFORMING SHM AT START , MID AND EXTREME POSITION

11. STATE THE DIFFERENTIAL EQUATION OF ANGULAR SHM

12. OBTAIN THE DIFFERENTIAL EQUATION OF ANGULAR SHM

13. EXPRESSION FOR PERIOD OF A MAGNET VIBRATING IN A UNIFORM MAGNETIC FIELD PERFORMING SHM

14. SOLVE ALL TEXTBOOK NUMERICALS. 

HSC 2027 PHYSICS CHAPTER 4 THERMODYNAMICS MOST EXPECTED QUESTIONS

HSC 2027 PHYSICS CHAPTER 4 THERMODYNAMICS  

MOST EXPECTED QUESTIONS

1. EXPLAIN THE CONCEPT OF POSITIVE & NEGATIVE WORK WITH VARYING PRESSURE. DRAW ITS PV DIAGRAM

2. STATE ZEROTH LAW OF THERMODYNAMICS.

3. STATE FIRST LAW OF THERMODYNAMICS

4. WHAT ARE THE LIMITATIONS OF FIRST LAW OF THERMODYNAMICS

5. WHAT IS ISOTHERMAL PROCESS

6. OBTAIN THE EXPRESSION FOR WORK DONE BY A GAS IN ISOTHERMAL PROCESS .DRAW ITS PV DIAGRAM

7. DEFINE CHEMICAL , MECHANICAL AND THERMAL EQUILIBRIUM

8. WHAT IS FREE EXPANSION IN THERMODYNAMICS

9. WHAT IS THERMODYNAMIC PROCESS .STATE ITS 4 TYPES

10. EXPLAIN THE CHANGE IN INTERNAL ENERGY OF A GAS ON HEATING

11. EXPLAIN CYCLIC PROCESS WITH A NEAT PV DIAGRAM

12. EXPLAIN ADIABATIC PROCESS TO OBTAIN ADIABATIC CONSTANT FOR A RIGID DIATOMIC GAS MOLECULE

13. DEFINE ISOTHERMAL , ADIABATIC, ISOBARIC & ISOCHORIC PROCESS

14. WHAT IS THERMODYNAMIC SYSTEM . WHAT IS SURROUNDINGS

15. SOLVE ALL TEXTBOOK NUMERICALS 

16. IN WHICH PROCESS HEAT IS NEITHER ABSORBED OR RELASED 

HSC 2027 PHYSICS CHAPTER 3 KINETIC THEORY OF GASES & RADIATION MOST EXPECTED QUESTIONS

HSC 2027 PHYSICS CHAPTER 3 KINETIC THEORY OF GASES & RADIATION  

MOST EXPECTED QUESTIONS

1. ON THE BASIS OF KINETIC THEORY OF GASES OBTAIN AN EXPRESSION FOR PRESSURE EXERTED BY GAS MOLECULES ENCLOSED BY A CONTAINER.

2. EXPLAIN CONSTRUCTION & WORKING OF FERRYS BLACKBODY

3. STATE & PROVE THE MAYERS RELATION

4. STATE & PROVE KIRCHOFFS LAW OF HEAT RADIATION 

5. STATE STEFANS BOLTZMAN LAW . STATE WIENS DISPLACEMENT LAW.

6. DEFINE EMMISIVE POWER . DEFINE COEFFICENT OF EMMISION

7. EXPRESSION FOR MOLAR SPECIFIC HEAT OF A GAS AT CONSTANT VOLUME

8. DEFINE CO-EFFICIENT OF ABSORBTION , REFLECTION AND TRANSMISSION ALSO DERIVE THE RELATION BETWEEN THEM

9. WHAT IS PERFECTLY BLACK BODY

10. WHAT IS COEFFICIENT OF TRANSMISSION FOR ATHERMANOUS METERIALS

11. WHAT IS DEGREE OF FREEDOM

12. WHAT ARE DIATHERMANOUS SUBSTANCES 

13. SOLVE ALL TEXTBOOK NUMERICALS

HSC 2027 PHYSICS CHAPTER 2 MECHANICAL PROPERTIES OF FLUIDS MOST EXPECTED QUESTIONS

HSC 2027 PHYSICS CHAPTER 2 MECHANICAL PROPERTIES OF FLUIDS  

MOST EXPECTED QUESTIONS

1. EXPLAIN SURFACE TENSION ON THE BASIS OF MOLECULAR THEORY

2. DERIVE THE EXPRESSION FOR TERMINAL VELOCITY OF A SPHERICAL OBJECT FALLING UNDER GRAVITY IN A VISCOUS MEDIUM

3. DEFINE COHESIVE FORCE , RANGE OF MOLECULAR FORCE .

4. DEFINE SPHERE OF INFLUENCE .DEFINE ANGLE OF CONTACT

5. GIVE 2 PROPERTIES OF ANGLE OF CONTACT

6. WHAT IS CAPILLARITY . STATE 2 USES OF IT

7. DEFINE COEFFICIENT OF VISCOSITY . STATE ITS FORMULA & SI UNIT

8. DIFFERENCE BETWEEN STREAMLINE AND TURBULENT FLOW

9. OBTAIN THE RELATION BETWEEN SURFACE TENSION & SURFACE ENERGY

10. DERIVE THE EXPRESSION FOR COEFFICENT OF VISCOSITY

11. WHAT ARE THE EFFECTS OF IMPURITIES ON SURFACE TENSION OF LIQUID

12.  STATE FORMULA FOR CRITICAL VELOCITY IN TERMS OF REYNOLDS NUMBER

13. DEFINE SURFACE ENERGY , DEFINE SURFACE TENSION 

14. GIVE SI UNIT & DIMENSION FOR SURFACE TENSION.

15. WHAT IS CRITICAL TEMPERATURE

16. WHAT IS VISCOSITY GIVE ITS SI UNIT & DIMENSIONS 

17. STATE BERNOULLIS THEOREM

18. ABSORBTION OF INK ON BLOTTING PAPER IS WHICH PHENOMENON

19. DERIVE LAPLACE LAW FOR SPHERICAL MEMBRANE OF A BUBBLE

20. SOLVE ALL TEXTBOOK NUMERICALS 

HSC 2027 PHYSICS CHAPTER 1 ROTATIONAL DYNAMICS MOST EXPECTED QUESTIONS

HSC 2027 PHYSICS CHAPTER 1 ROTATIONAL DYNAMICS  

MOST EXPECTED QUESTIONS

1. DERIVE EXPRESSIONS FOR LINEAR VELOCITY AT LOWEST ,MIDWAY AND TOP POSITION FOR A PARTICLE PERFORMING VCM

2. DERIVE THE EXPRESSION FOR KINETIC ENERGY OF A ROTATING BODY

3. OBTAIN EXPRESSION FOR TORQUE ACTING ON A RIGID BODY MOVING WITH CONSTANT ANGULAR ACCELARATION

4. DEFINE MOMENT OF INERTIA . STATE ITS S.I UNIT & DIMENSIONS

5. STATE AND PROVE THE PRINCIPLE OF CONSERVATION OF ANGULAR MOMENTUM

6. DERIVE THE EXPRESSION FOR MAXIMUM SPEED OF VEHICLE MOVING ALONG A HORIZONTAL CIRCULAR TRACK 

7. DERIVE THE EXPRESSION FOR MINIMUM SPEED IN WELL OF DEATH

8. OBTAIN THE EXPRESSION OF MOMENT OF INERTIA OF A UNIFORM DISC WITH AXIS PASSING THROUGH ITS CENTER AND PERPENDICULAR TO ITS PLANE

9. STATE THE LAW OF CONSERVATION OF ANGULAR MOMENTUM

10. FORMULA FOR M.I OF A SOLID SPHERE .DEFINE CENTRIPITAL FORCE

11. WHAT IS RADIUS OF GYRATION . CALCULATE IT FOR A SOLID SPHERE

12. STATE THE FORMULA FOR ANGLE OF BANKING 

13. WHAT IS CENTRIGUAL FORCE

14. STATE & PROVE THEOREM OF PARALLEL AXIS 

15. STATE & PROVE THEOREM OF PERPENDICULAR AXIS

16. EXPRESSION FOR UPPER & LOWER SPEED LIMIT FOR A VEHICLE IN A BANKED ROAD

17. SOLVE ALL TEXTBOOK NUMERICALS

HSC 2027 BIOLOGY MOST EXPECTED QUESTIONS CHAPTERWISE

HSC 2027 BIOLOGY MOST EXPECTED QUESTIONS 

CHAPTERWISE

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HSC 2027 BIOLOGY CHAPTER 15 BIODIVERSITY & CONSERVATION MOST EXPECTED QUESTIONS

HSC 2027 BIOLOGY CHAPTER 15 BIODIVERSITY & CONSERVATION  

MOST EXPECTED QUESTIONS

1. WRITE A NOTE ON IN SITU AND EX SITU CONSERVATION WITH EXAMPLES

2. LIST AND EXPLAIN VARIOUS LEVELS OF BIODIVERSITY 

3. EXPLAIN GREEN HOUSE EFFECT WITH REFERENCE TO GASES RESPONSIBLE FOR IT.

4. DESCRIBE ANY 3 CAUSES FOR LOSS OF BIODIVERSITY

5. MENTION ANY 2 TYPES OF AIR POLLUTANTS AND THEIR EFFECTS ON HUMAN HEALTH

6. MENTION ANY 2 PLACES WHERE IN SITU & EX SITU CONSERVATIONS ARE UNDERTAKEN

7. MENTION 2 ILL EFFECTS OF UV RAYS ON HUMANS

8. GIVE SIGNIFICANCE OF ECOSAN

9. WHAT IS BIO MAGNIFICATION . DRAW FLOW CHART & EXPLAIN IT WITH RESPECT TO DDT 

10. WHAT ARE SACRED GROVES. WHAT ARE EVIL QUARTERS 

11. WHY STELLAR SEA COW BECAME EXTINCT 

12. WHAT IS MIYAWAKI. EXPLAIN RIVET POPPER HYPOTHESIS

13. EXPLAIN HARMFUL EFFECTS OF NOISE POLLUTION IN HUMAN BEINGS