Can you answer this? | Heat Transfer | CBSE Class 8 | Arisha Mam #shorts

In which tests must you answer as many questions as you can in a certain amount of time

Convection is a process of heat transfer by the actual movement of molecules. Convection can take place only in I and II Heat transfer by III. can take place without any medium. The given statements are correctly completed by alternative

These questions consists of a question and two statements numbered I and II given below it. You have to decide whether the data provided to the statements are sufficient to answer the question. Read both the statements and select the appropriate answer How many students are there in the class? I. There are more than 20 but less than 27 students in the class. II. There are more than 24 but than 31 students in the class. The number of students in the class can be divided into groups such that each group contains 5 students.

Even carnot heat engine cannot give 100% efficiency. Explain why OR can you design a heat engine of 100% efficiency? Explain ypur answer. OR A heat engine with 100% efficiency is only a theoretical possibility. Explain.

Can you think and answer how a reporter enzymes can be used to monitor tranformation of host cells by foreign DNA in addition to a selectable marker ?

Heat OF formation||Class Illustrations with Short Tricks