Question 26:A sample of hair and blood was found at two sites. Scientists claim that the samples be…
Question: State any two properties of magnetic field lines The correct answer is : Magnetic field l…
Question: Which physical quantity is indicated by the pattern of field lines around the bar magnet?…
Question 25:A segment of DNA has 100 adenine and 150 cytosine bases. What is the total number of nu…
Question: Why do iron filings arrange themselves in a particular pattern? The correct answer is : W…
Question: Ravi kept a book at a distance of 10 cm from the eyes of his friend Hari. Hari is not abl…
Question 24:Allyl chloride is hydrolysed more readily than n-propyl chloride. Why?The following que…
Question 23:Name the possible alkenes which will yield 1-chloro-1-methylcyclohexane on their reacti…
Question: A lens of focal length 5 cm is being used by Debashree in the laboratory as a magnifying …
Question: State one use of the mirror based on the above kind of image formation The correct answer…
Question 22:Why are haloalkanes more reactive towards nucleophilic substitution reactions than halo…
Question: Draw a ray diagram to show image formation in this case The correct answer is :
