The shape of a spot of light produced when bright sunshine
passes perpendicular
through a hole of very small size is

(a) Square, because the hole is a square
(b) Round, because it is an image of the sun
(c) Round with a small penumbra around it
(d) Square with a small penumbra.

Answer Posted / krpg

ans is (b)Round, because it is an image of the sun.

Is This Answer Correct ?    2 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Why do you think that bioinformatics is important?

618


What is the difference in terms of connectivity between a scale free network and random network?

1410


How did you get into the field of bioinformatics?

533


Are all members of transporter families confined to a particular organelle or to the plasma membrane, or are some family members found throughout cellular compartments in eukaryotes?

594


What is the input and outpit of a distance based algorithm?

1815






what is a qi number?

1849


How a cluster algorithm works?

1592


Explain about the mass number of nuclear?

589


What are the main differences between parsimony,distance and likelihood-based algorithms?

1687


How to find coexpressed genes on NCBI GEO?

1684


what is the principle involved in Biometry?

1738


Will the plant able to produce electricity when the soil is dried up

1202


Can independent origins be established for two families of transport systems having no sequence or motif similarities without three-dimensional structural data?

595


How to Count number of nucleotide substitutions ?

1794


What is a DNA array?

1706