in refrigerator T2 is always less than T1as it take heat from lower temperature T2 to higher temperature T1.so in problems shouldn’t we takeT1 as higher temperature and T2 as lower temperature if source and sink is not mentioned.and what if source and sink is mentioned,which is T1 and T2

NEET COACHING FOR GRADE 9 STUDENT IN ABU DHABI,UAE. What are the options available

Explaination on the strength of bonds in the figure

Mam today in neet ug 2021 due to my nervousness I bubbled one wrong figure of my roll number but I have filled the roll number correctly in the blocks the invigilator adviced me to leave it as it is and to bubble the same correct figure so I did that .am very much worried what will happen

Magnetic Length of bar magnet of length 70 cm is 63 cm. Want a solution for this.

in the stomatal apparatus why are subsidiary celss absent in cucurbits?