State the principle behind working of calorimeter.
1 Answers
Talk Doctor Online in Bissoy App
300 men can construct a200m long wall in 12 days working 8 hours a day. In how many days can 120 men construct 180 m long wall working 9 hours per day
\(\frac{M_1D_1H_1}{W_1}=\frac{M_2D_2H_2}{W_2}\) M1 = 300, D1 = 12, H1 = 8, W1 = 200 M2 = 120, D2 = ? H2 = 9, W2 = 180 \(\frac{300\times12\times8}{200}=\frac{120\times D\times7}{180}\) D = 24 days
2 Answers 1 views
What is chromatography? Explain the principle behind it.
Chromatography is a technique used to separate components of a mixture, and also purify compounds. Principle : The principle of separation of substances in chromatography is based on the distribution of the...
2 Answers 1 views
The main principle behind working of optical fibres is …………………..
A) total internal reflection
2 Answers 1 views
Hydraulic jack works on the principle of A) Archimedes’ principle
C) Pascal’s principle
2 Answers 4 views
The principle involved in working of a lactometer is ……………
C) relative density
2 Answers 1 views
24 men can do a work in 14 days by working 6 hours a day. If the work is to be completed in 8 days by working 7 hours
Correct option is (B) 36 Total work done by 24 men in 14 days by working 6 hours a day \(=24\times14\times6\) Let x men are required to complete same work in 8 days...
2 Answers 1 views
24 men can do a work in 14 days by working 6 hours a day. If the work is to be completed in 8 days by working 7 hours
2 Answers
1 views
What is the ecological principle behind the biological control method of managing with pest insects?
The ecological principle behind the biological control of pest insects is based on the ability of predator to regulate prey population in that habitat. For example Gambusia sh prey upon the...
2 Answers 1 views
Mr. Arun is working as a supervisor. Identify the level of management he is working.
Lower level management
2 Answers 1 views
State the intent behind instrument of accession in relation to princely states.
The rulers of the princely states signed a document through which their state agreed to become a part of the Union of India. This document was called the ‘Instrument of...
2 Answers 1 views