Two identical iron blocks X and Y being pushed on two different surfaces as shown in the given figure.
Which of the following is correct regarding X and Y ?
ABlock X requires more force than block Y to move it.
BBlock Y experience more frictional force than block X.
CIf same forces are applied to both blocks then block X will move faster than Y.
DBoth A and B
The change in appearance of Arctic foxes in different seasons is due to _____.
Four friends made different statements regarding animals. Which option is correct for given statements?
AMohit, Sonia and Ria are correct but Kush is incorrect.
BSonia and Ria are correct but Mohit and Kush are incorrect.
CMohit and Ria are correct but Sonia and Kush are incorrect.
DRia and Kush are correct but Mohit and Sonia are incorrect.
Do pigeons eat insects?
Ans 1: (Master Answer)
Mosquitoes have six legs. So, Mohit is correct. Ducks can walk, swim and fly. So, Sonia is correct. Pigeons eat grains and seeds mostly, and sometimes they eat insects too. So, Ria is correct. Rabbits do not live in coops; they live in rabbit-holes and burrows. So, Kush is incorrect.
Ravi took 100 gms each of three different soils P, Q and R in three identical troughs each with a hole at the base. He poured water (20 mL) over these three soils and collected the water dripping from the trough holes in similar graduated beakers X, Y and Z respectively for soils P, Q and R.
His readings were as follows:
Now, select the soil that is most suitable for pottery.
D None of these
Consider the motion of the tip of the minute hand of a clock. In one hour
AThe distance covered is zero
BThe displacement is zero
CThe average speed is zero
DNone of these
after 1hour the the minute hand will come at the sme place from whaer it had started so the displacement (change of the place ) is zero example - you are walking in a circular path and you started at point P so after taking whole round you will come to the same place from where you strted