Question 1 :
Three bulbs are rating 40W 60W and 100W designed to work on 220V mains. Which bulb will burn most brightly if they are connected in series across 220 V mains
Question 3 :
On a clear day at noon the solar energy reaching the earth is ____________________
Question 4 :
A rubber cord of cross-sectional area 2cm2 has a length of 1m. When a tensile force of 10N is applied the length of the cord increases by 1cm. What is the youngs modulus of rubber
Question 6 :
When crest of one wave falls over the trough of the other wave this phenomenon is known as________________
Question 8 :
The periodic alternation of sound between maximum and minimum loudness are called___________________
Question 9 :
There are three bulbs of 60W 100W and 200W which bulb has thickest filament
Question 11 :
When the coil of the galvanometer is in equilibrium then the deflecting couple is____________________
Question 12 :
The minimum distance between an object and its real image in a convex lens is_____________
Question 15 :
A body moving along the circumference of a circle completes two revolutions. If the radius of the circular path is R the ration of displacement to the covered path will be_____________
Question 16 :
Boiling points of hydrocarbons increase with the increase in number of carbon atoms. It is mainly due to_________________?
Question 17 :
On increasing the temperature the rate of reaction increases mainly because_________________?
Question 18 :
Bond will beionic when E.N difference of bonded atom is ____________________?
Question 20 :
Sodium is not observed in +2 oxidation state because of its__________________?
Question 22 :
At constant temperature the pressure of an ideal gas is doubled its density becomes_______________?
Question 23 :
Alkali and alkaline earth metals impart colours when heated over burner. It is due to______________?
Question 25 :
What will be the order of reaction of a reaction whose rate can be expressed as R = K [A] [B] ?
Question 27 :
When a compound of transition element is dissolved in a solution of salt then it produces____________________?
Question 29 :
Ketones are comparatively less reactive than aldehdye. It is due to_______________?
Question 33 :
Evolutionary relationships between groups of organisms are determined using which of the following type of information?
Question 34 :
An excessively high temperature in the fermentation of sauerkraut may inhibit the growth of
Question 35 :
The PCR/sequencing approach to rRNA is most likely to give information about
Question 39 :
The spoilage most commonly occurring in wine is tourne which refers to
Question 43 :
Which of the following reflects the correct order of events that take place during the multiplication of a virus?
Question 46 :
By which of the following means antifungal chemotherapeutic agents may affect fungi?
Question 50 :
The type of recombination that commonly occurs between a pair of homologous DNA sequences is,