The document is a presentation on physics lab experiments focusing on specific heat, specific resistance, and electro-chemical equivalent measurements. It includes a list of questions related to various experiments, outlining necessary equipment, methodologies, and scientific principles. The experiments involve measuring thermal properties, electrical resistance, and electrochemical reactions using established laboratory techniques.

1. A presentation on
Physics Lab
Experiments

2. Submitted To
Mehade Hasan
Lecturer,
Department of Basic Science.
Submitted By
16061057- Garbita Biswas
16061058- Mridul Nandi Shourav
16061059- Sayeada Afsana Ali
16061060- Usyeed Khan
16061061- Syeema Tasnim
16061062- Akib Al Islam
16061063- Sabikul Islam
NationalInstituteOf Textile Engineering & Research

3. DETERMINATION OF
THE SPECIFIC HEAT OF
A LIQUID BY THE
METHOD OF COOLING
1

4. “

5. 1. What is specific heat?
2. What kind of apparatus are needed for the experiment?
3. What should be the temperature of the paraffin?
4. How many thermometers are required for the purpose?
5. What is the unit of specific heat in S.I system?
6. What is the first step of this experiment?
7. What is used to measure the specific heat of the liquid in this experiment?
8.What is the function of the lid of the calorimeter?
9. Which law is used for cooling correction in the procedure?
10. What kind of graph should be plotted for the experiment?
11. What should be done after filling the calorimeter with hot paraffin?
12. How is the heat measured?
13. How much should the liquid be heated before putting it in the
calorimeter?
14. How often should the water in the calorimeter be stirred?
15. Is the temperature of the water in encloser constant?
QUESTIONS

6. DETERMINATION OF
THE SPECIFIC
RESISTANCE OF A
WIRE USING A METER
BRIDGE.
2

7. “

8. QUESTIONS
1. What is meant by specific resistance?
2. What is the unit of specific resistance?
3. Why is the apparatus called a meter bridge?
4. Why is it necessary to put a resistance in the battery circuit?
5. Why meter bridge not suitable for measuring very high/very low
resistance?
6. On what factors does the specific resistance depend?
7. Write down the apparatus to determine the specific resistance of
a wire using a meter bridge?
8. What is galvanometer?
9. What is jockey?
10. What is the least count of screw gauge?
11. Write down the equation of the specific resistance of a wire?
12. Why using a plug key as stunt of the galvanometer?
13. What is the resistance box?
14. What is meter bridge?
15. What is the base of the meter bridge?

9. 3
DETERMINATION OF THE
ELECTRO-CHEMICAL
EQUIVALENT OF COPPER
BY USING AN AMMETER
& COPPER
VOLTAMETER (ECE)

10. “

11. QUESTIONS
1. Write down the Faraday's first law.
2. Why should the cathode be washed quickly at the end of the
experiment?
3. What is the unit of the experiment of ECE?
4. Write down the apparatus of the experiment of ECE.
5. Why should the cathode be cleaned thoroughly?
6. Write down the elements of the solution?
7. What is Volt-ameter?
8. Why the plate should not be rubbed at the end of the experiment?
9. What would happen if platinum electrodes are used with copper
sulphate?
10. What is the copper volta-meter consists of?
11. What should be the density of copper sulphate solution?
12. Why should be added the sulphuric acid & alcohol?
13. Draw the circuit diagram of ECE.
14. What is the equation of passing through the flowing current of
ECE?
15. Write down the equation of ECE?

12. DETERMINATION OF
THE SPECIFIC
RESISTANCE OF A
WIRE USING A METER
BRIDGE.
4

13. “

14. QUESTIONS
1. What is meant by specific resistance?
2. What is the unit of specific resistance?
3. Why is the apparatus called a meter bridge?
4. Why is it necessary to put a resistance in the battery circuit?
5. Why meter bridge not suitable for measuring very high/very low
resistance?
6. On what factors does the specific resistance depend?
7. Write down the apparatus to determine the specific resistance of
a wire using a meter bridge?
8. What is galvanometer?
9. What is jockey?
10. What is the least count of screw gauge?
11. Write down the equation of the specific resistance of a wire?
12. Why using a plug key as stunt of the galvanometer?
13. What is the resistance box?
14. What is meter bridge?
15. What is the base of the meter bridge?

15. 5
DETERMINATION OF THE
VALUE OF AN UNKNOWN
RESISTANCE BY MEAN
OF A POST OFFICE BOX.

16. “

17. QUESTIONS
1. By whom post office box was invented?
2. What types of power supplies do need for this experiments?
3. What is the SI unit of resistance?
4. Which equation is the base of this experiments?
5. What do we do with post office box?
6. What is the null point?
7. How circuit complete with key?
8. What types of galvanometer used in P.O experiment?
9. What is the Highest resistance of P.O?
10. What is the lowest resistance of P.O?
11. What is commuttor?
12. What is galvanometer?
13. What the P.O box?

18. Thanks!