Hot milk is poured into four bowls as shown in figure. In which bowl the temperature of milk will drop at fastest rate?
I am unable to understand. please explain
If an earthquake occurs, what should you do?
A If you are indoors, stay in and get under a desk or a table.
B If you are outdoors, stay away from trees and buildings.
C If you are on a beach, leave the place and find high ground.
D All of the above.
Is option (A) RIGHT?
Which of the following activities is/are useful for the environment?
(i) Composting leaves
(ii) Recycling glass and paper products
(iii) Fertilizing a lawn garden every week
(A) (iii) only
(B) (i) & (ii)
(C) (ii) & (iii)
(D) (ii) only.
please tell the answer
Low atmospheric pressure exists on the earth in which of the following latitudes?
A At the equator only
B At 30° N and S
C At the poles
D At the equator and at 60° N and S.
apart from equator low pressure persists in sub-polar low pressure belt found at 60 degree north and south.
Read the given statements and select the correct answer.
Statement 1 : The distance x at which a car can be stopped by applying brakes depends on the initial velocity.
Statement 2 : Mass of the car has no role to play.
A Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1.
B Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1.
C Statement 1 is true and statement 2 is false.
D Both statements 1 and 2 are false.
momentum plays a role and it involves mass.
Which of the following adaptations of camel are not meant for tolerating heat and water scarcity of deserts?
(i) Long legs and padded wide feet.
(ii) Brown body colour.
(iii) Long eyelashes.
(iv) Nostrils with flaps.
A(i) and (ii) only
B(iii) and (iv) only
C(ii), (iii) and (iv) only
D(i), (ii) and (iii) only
I gave the Answer A but the mock test gives the answer C ! but (iii) and (iv) are meant for surviving/tolerating heat
A metal rod is shaped into a ring with a small gap. If this is heated, which of the following will not occur?
(A) The length of the rod will increase.
(B) The gap will decrease.
(C) The gap will increase.
(D) The diameter of the ring will increase in the same ratio as the length of the rod.
Look at the picture :
Which statement incorrectly describes the animal shown?
(i) It shows parental care.
(ii) It has hair on its body.
(iii) It is a bird
(iv) It reproduces by laying eggs.
A (i) and (ii)
B (iii) and (iv)
C (ii) and (iv)
D (i) and (iii)
Is bat a bird
The given circuit diagram shows four bulbs in a circuit. Where should a switch be installed so that only one bulb can be switched on or off while the others remain lit all the time ?
explain it plz