HSC 2027 CHEMISTRY CHAPTER 4 THERMODYNAMICS MOST EXPECTED QUESTIONS

HSC 2027 CHEMISTRY CHAPTER 4 THERMODYNAMICS 

MOST EXPECTED QUESTIONS

1. WRITE THE MATHEMATICAL EQUATION FOR 1ST LAW OF THERMODYNAMICS  FOR ALL THERMODYNAMIC PROCESS

2. STATE THE 2ND LAW OF THERMODYNAMICS

3. DERIVE THE RELATION BETWEEN 📐H AND 📐U FOR GASEOUS PHASE 

4. STATE WHETHER ENTROPY CHANGE IS POSITIVE OR NEGATIVE FOR MELTING    OF  ICE , VAPORISATION OF LIQUID.

5. DEDUCE 1ST LAW OF THERMODYNAMICS FOR ISOTHERMAL AND ISOCHORIC     PROCESS

6. WRITE THE SIGN CONVENTION OF WORK DURING EXPANSION OF GASES

7. DERIVE THE EXPRESSION OF MAXIMUM WORK DONE IN ISOTHERMAL REVERSIBLE EXPANSION OF GAS 

8. DEFINE EXTENSIVE AND INTENSIVE PROPERTIES

9. DEFINE ISOBARIC AND ADIABATIC PROCESS

10. WRITE 2 STATEMENTS FOR FIRST LAW OF THERMODYNAMICS

HSC 2027 CHEMISTRY CHAPTER 3 IONIC EQUILIBRIA MOST EXPECTED QUESTIONS

HSC 2027 CHEMISTRY CHAPTER 3 IONIC EQUILIBRIA 

MOST EXPECTED QUESTIONS 

1. DEFINE COMMON ION EFFECT

2. EXPLAIN AMPOTERIC NATURE OF WATER

3. DERIVE THE RELATION BETWEEN PH AND POH

4. DERIVE THE RELATION BETWEEN SOLUBLITY & SOLUBLITY PRODUCT FOR pbcl2

5. DEFINE SOLUBLITY PRODUCT

6. DEFINE ACIDIC BUFFER SOLUTION

7. DERIVE THE EXPRESSION FOR OSTWALDS DILUTION LAW FOR WEAK ACID

8. EXPLAIN LEWIS THEORY OF ACIDS AND BASES

9. WHAT IS BUFFER SOLUTION

10. EXPLAIN MECHANISM OF BUFFER ACTION ON ACIDIC BUFFER

11. DEFINE ACIDS AND BASES ACCORDING TO BROWNSTED LOWRY THEORY

12. WHY DOES AQEOUS CUSO4 TURNS BLUE LITMUS RED

13. WRITE THE HENDERSON HASSELBACH EQUATION FOR ACIDIC BUFFER

HSC 2027 CHEMISTRY CHAPTER 2 SOLUTIONS MOST EXPECTED QUESTIONS

HSC 2027 CHEMISTRY CHAPTER 2 SOLUTIONS 

MOST EXPECTED QUESTIONS

1. WRITE THE CONDITION OF REVERSE OSMOSIS

2. WHAT IS OSMOTIC PRESSURE

3. HOW TO DETERMINE MOLAR MASS OF SOLUTE FROM OSMOTIC PRESSURE

4. DEFINE EBULOSCOPIC AND CRYOSCOPIC CONSTANT

5. DEFINE OSMOSIS ,OSMOTIC PRESSURE 

6. DEFINE ISOTONIC SOLUTION , WHAT IS FREEZING POINT OF LIQUID

7. STATE HENRYS LAW

8. HOW SOLUBLITY OF GAS VARIES WITH TEMPERATURE

9. DERIVE RELATION BETWEEN LOWERING VAPOUR PRESSURE AND MOLAR MASS OF SOLUTE

10. DERIVE RELATION BETWEEN LOWERING ELEVATION OF BOILING POINT  AND MOLAR MASS OF SOLUTE

11. DERIVE RELATION BETWEEN LOWERING VAPOUR PRESSURE AND MOLAR MASS OF NON VOLATILE SOLUTE

12. DERIVE EXPRESSION  TO CALCULATE MOLAR MASS OF A VOLATILE SOLUTE BY OSMOTIC PRESSURE MEASUREMENT

13. WRITE THE SI UNIT OF MOLAR CONDUCTIVITY ,CRYOSCOPIC CONSTANT

14. DEFINE HYPERTONIC AND HYPOTONIC SOLUTIONS

15. DEFINE MOLALITY

HSC 2027 ELECTRONICS 1 MOST EXPECTED QUESTIONS

HSC 2027 ELECTRONICS 1 MOST EXPECTED QUESTIONS

CHAPTER 1 CLICK HERE 👈👈👈

CHAPTER 2 CLICK HERE 👈👈👈

CHAPTER 3 CLICK HERE 👈👈👈

CHAPTER 4 CLICK HERE 👈👈👈

CHAPTER 5 CLICK HERE 👈👈👈

CHAPTER 6 CLICK HERE 👈👈👈

HSC 2027 ELECTRONICS 1 MOST IMPORTANT QUESTIONS CHAPTER 6 INTEGRATED CIRCUITS

HSC 2027 ELECTRONICS 1 MOST IMPORTANT QUESTIONS 

CHAPTER 6 INTEGRATED CIRCUITS

1. EXPLAIN FSK USING IC 555

2. EXPLAIN MONOSTABLE TIMER USING IC 555

3. IC 555 AS MONOSTABLE MULTIVIBRATOR

4. IC 555 AS ASTABLE MULTIVIBRATOR

5. 6 APPLICATIONS OF IC 555

6. INTERNAL BLOCK DIAGRAM OF IC 555 AND ITS WORKING

7. EXPLAIN VOLTAGE REGULATOR USING IC  LM317

8. PIN DIAGRAM OF IC 741 WITH FUNCTIONS OF EACH PIN 

9. PIN DIAGRAM OF IC 555 WITH FUNCTION OF EACH PIN

10. EXPLAIN IC 555 AS PAM AND PPM.

HSC 2027 ELECTRONICS 1 MOST IMPORTANT QUESTIONS CHAPTER 5 MODERN COMMUNICATIONS

HSC 2027 ELECTRONICS 1 MOST IMPORTANT QUESTIONS 

CHAPTER 5 MODERN COMMUNICATIONS

1. WHAT IS MODULATION , COMPARE AM AND FM

2. EXPLAIN NEED OF MODULATION IN COMMUNICATIONS

3. IMPORTANCE OF MODULATION INDEX WITH WAVEFORMS

4. EXPLAIN MODEM WITH DIAGRAM AND STATE ITS USES

5. EXPLAIN AM AND FM WITH WAVEFORMS

6. MERITS OF FM OVER AM.WHAT IS FREQUENCY

7. EXPLAIN FREQUENCY DEVIATION ,GUARD BANDS IN FM

8. WHAT IS NETWORK TOPOLOGY

9. EXPLAIN BUS ,RING,STAR TOPOLOGY

10. EXPLAIN LAN ,MAN ,WAN

11. APPLICATIONS OF FIBER OPTIC CABLE

12. ADVANTAGES OF FIBER OPTIC OVER ELECTRICAL CABLE

13. 6 APPLICATIONS OF SATELLITE COMMUNICATIONS

14. WORKING OF SATELLITE AS RELAY STATIONS

15. MERITS AND DEMERITS OF GEOSYNC SATELLITES

16. BLOCK DIAGRAM OF CELLULAR RADIO WITH FUNCTION OF EACH BLOCK

17. CONCEPT OF CELLULAR RADIO WITH NEAT DIAGRAM

18. VARIOUS TYPES OF COMMUNICATION SYSTEMS

19. BLOCK DIAGRAM OF COMMUNICATION SYSTEM WITH FUNCTION OF EACH BLOCK 

20. WORKING OF FAX MACHINE WITH DIAGRAM

HSC 2027 ELECTRONICS 1 MOST IMPORTANT QUESTIONS CHAPTER 4 OPERATIONAL AMPLIFIERS

HSC 2027 ELECTRONICS 1 MOST IMPORTANT QUESTIONS 

CHAPTER 4 OPERATIONAL AMPLIFIERS

1. BLOCK DIAGRAM OF OPAMP AND FUNCTION OF EACH BLOCK

2. STATE 6 IDEAL CHARACTERISTICS OF OPAMP

3. EXPLAIN ALL PARAMETERS OF OPAMP

4. APPLICATIONS OF LINEAR AND NON LINEAR OPAMP

5. EXPLAIN WORKING OF INVERTING OPAMP

6. EXPLAIN OPAMP AS COMPARATOR , BUFFER

7. EXPLAIN OPAMP AS INTEGRATOR , BUFFER

8. CIRCUIT DIAGRAM OF NON INVERTING OPAMP

9. EXPLAIN OPAMP AS SUBSTRACTOR ,SCHMITT TRIGGER

10. EXPLAIN FREQUENCY RESPONSE CURVE OF OPAMP

11. DIFFERENT TYPE OF VOLTAGE COMPARATORS

12. OPAMP AS VOLTAGE COMPARATOR , SIGN CHANGER

13. DRAW THE SYMBOL OF OPAMP.

HSC 2027 ELECTRONICS 1 MOST IMPORTANT QUESTIONS CHAPTER 3 TRANSDUCERS

HSC 2027 ELECTRONICS 1 MOST IMPORTANT QUESTIONS 

CHAPTER 3 TRANSDUCERS

1. EXPLAIN WORKING OF LVDT WITH DIAGRAM & GIVE 2 USES

2. WHAT ARE ACTIVE TRANSDUCERS . WHAT ARE OPTPCOUPLERS

3. WHAT IS TRANSDUCER. EXPLAIN ACTIVE & PASSIVE TRANSDUCERS

4. EXPLAIN WORKING OF THERMISTOR. GIVE ITS 2 APPLICATIONS

5. EXPLAIN WORKING OF PIEZOELECTRIC TRANSDUCER

6. WHAT IS PIEZOELECTRIC EFFECT

7. EXPLAIN WORKING OF OCTOCOUPLER TRANSDUCER

8. WRITE SHORT NOTE ON THERMISTOR , LDR

9. FACTORS TO BE CONSIDERED WHILE SELECTING TRANSDUCER

10. GIVE 2 EXAMPLES OF SOUND,PRESSURE,LIGHT TRANSDUCERS

11. EXPLAIN WORKING OF CAPACITIVE TRANSDUCERS

12. GIVE 2 EXAMPLES OF TEMPERATURE TRANSDUCER

13. WHAT IS DISPLACEMENT TRANSDUCER 

HSC 2027 ELECTRONICS 1 MOST IMPORTANT QUESTIONS CHAPTER 2 POWER SUPPLIES

HSC 2027 ELECTRONICS 1 MOST IMPORTANT QUESTIONS 

CHAPTER 2 POWER SUPPLIES

1. EXPLAIN CHARACTERISTICS OF POWER SUPPLY

2. DRAW BLOCK DIAGRAM OF REGULATED POWER SUPPLY WITH FUNCTION OF        EACH BLOCK

3. COMPARE HALFWAVE AND FULLWAVE RECTIFIER

4. WORKING OF CENTERTAP FULL WAVE RECTIFIER

5. WORKING OF HALFWAVE RECTIFIER

6. ADVANTAGES OF BRIDGE RECTIFIER OVER CENTERTAP RECTIFIER

7. WORKING OF VOLTAGE RECTIFIER USING ZENER DIODE

8. EXPLAIN LINE AND LOAD REGULATION AND RIPPLE REJECTION

9. EXPLAIN 3 TERMINAL IC VOLATAGE REGULATOR WITH ADVANTAGES

10. EXPLAIN TRANSISTORISED SERIES VOLTAGE REGULATOR

11. EXPLAIN VOLTAGE REGULATOR USING SERIES PASS TRANSISTOR

12. EXPLAIN 3 TERMINAL FIXED VOLTAGE REGULATOR

13. USE OF LM 317 AS ADJUSTABLE VOLTAGE REGULATOR 

14. WORKING OF INDUCTOR INPUT FILTER 

15. WORKING OF RC FILTER FOR REDUCING RIPPLE

16. WORKING OF RC AND LC FILTERS

17. WORKING OF RC FILTERS WITH ITS DISADVANTAGES

18. WORKING OF SMPS WITH BLOCK DIAGRAM 

19. EXPLAIN BASIC IDEA OF SWITCHED MODE POWER SUPPLY.