The given figure shows a circuit which contains three identical lamps and two switches.
Which of the following statements is correct regarding the given circuit?
AWhen switch 2 is closed and switch 1 is open, all the three lamps glow.
BWhen switch 2 is closed and switch 1 is open, only lamp 1 and lamp 3 glow.
CWhen switch 1 is closed and switch 2 is open, only lamp 2 glows.
DWhen both switch 1 and switch 2 are closed, all the three lamps glow.
shouldn't it be option(A) as all the lamps are connected without any switch in middle except switch two.
The organ shown in the figure is located _____.
(a) In the head
(b) On the left side of the body
(c) On the right side of the body
(d) Below the waist
Different methods of extinguishing a fire involve the following :
I. Removing the combustible substance.
II. Cooling the substance to a temperature below its ignition temperature.
III. Cutting off the supply of air.
Which of the following statements is correct?
A Method I is suitable in case of a building on fire.
B Method II involves water which works when wood or paper are on fire.
C Method III involves carbon dioxide gas which is lighter than oxygen and forms a blanket around the air.
D All of these
whats wrong with B
Select the incorrect statement.
(a) The weaver bird uses its beak like a needle to sew leaves and other materials to make a nest.
(b) The penguin collects a few pebbles and stones to make a nest.
(c) Eagle and vulture simply put a few sticks together to make a shallow nest.
(d) The woodpecker pecks a tree trunk with its beak to make a hole for nest.
Refer the given conversation about simple machines. Identify the INCORRECT option regarding P, Q and R.
AQ can be used to hold things.
BP can be axe or knife.
CR can be a ramp in hospitals.
DQ helps to move heavy objects.
how P can be axe or knife because it should have 2 inclined surface joined together. P has to be some type of scissor. There are 2 answers for this question B n D
Which one of the following set-ups does not show that air occupies space?
The diagram in this question is not very clear. I don't understand option A. And I don't understand why the answer is D