Refer to the given flow chart and select the option which correctly identifies P, Q, R and S.
|A||Relative humidity||Wind speed||Thermo-meter||Rain gauge|
|B||Wind speed||Relative humidity||Thermometer||Psychrometer|
|C||Relative humidity||Wind speed||Psychrometer||Raingauge|
|D||Wind speed||Relative humudity||Thermometer||Rain gauge|
Which of the following statements about plastics are true?
(i) All plastics do not have same arrangement of monomer units.
(ii) Melamine resists fire and can tolerate heat better than other plastics.
(iii) Plastics with cross-linked monomers are also known.
(iv) Plastics have limited applications.
A (i) and (iii) only
B (iii) and (iv) only
C (i), (ii) and (iii) only
D (i), (iii) and (iv) only
Three burning candles are covered with glass jars as shown in figures. Equal amount of air, CO2 and O2 are present in jars X, Y and Z, respectively. Arrange the candles in decreasing order of the time for which they will continue to burn.
A Z, X, Y
B X, Y, Z
C X, Z, Y
D Z, Y, X
a is the answer
Three identical resistors are connected across a voltage source V such that one of them is in parallel with other two, which are connected in series as shown. The power dissipated through the first one, compared to the power dissipated by each of the other two is _______.
BHalf as much
CTwice as much
DFour times as much
it should be c
What is the function of part P of a mango fruit?
A It gives sweet taste to the fruit.
B It helps in ripening of fruit.
C It gives rise to a new mango plant.
D None of these
Amit celebrates his birthday on 28th September 20XX. If the day before yesterday was Amit's birthday, then today is________.