A bird is seen standing safely on a high voltage transmission line. Which of the following is the reason?
AThe body of the bird has a high resistance.
BThe scaly feet of the bird is a good insulator.
CThere is no potential difference between the two feet.
DThe trapped air in the feathers of the bird acts as an electrical insulator.
Read the given statements and select the correct option.
Statement 1 : The displacement of a body may be zero, though distance can be finite.
Statement 2 : If a body moves such that finally it arrives at initial point, then displacement is zero while distance is finite.
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 Statement 1 is false and statement 2 is true.
Can someone please explain it ??
Rahul is visiting his friend who is admitted in a hospital. On his way to the hospital, he gets confused about the route. He then studies the map. Which of these symbols (d, e, f or g) on map will help him in locating the hospital?
This is sign of Red cross socity, not for medical, Pls update information
Read the list of the animals given below and answer the following question.
Fox, Frog, Mouse, Elephant, Lizard, Duck, Camel, Crow, Pig, Parrot, Buffalo, Zebra
Which of the animals given in the list lay eggs?
A Frog, Lizard, Duck, Crow, Parrot
B Fox, Frog, Duck, Crow, Parrot
C Zebra, Elephant, Mouse, Parrot, Fox
D Camel, Mouse, Buffalo, Crow, Pig
Fill in the blanks with most appropriate option.
Bio-gas is an excellent fuel as it contains up to 75% __(i)__ . It burns without smoke, leaves no residue like ash in wood. Its heating capacity is __(ii)__ . The slurry left behind is removed periodically and used as excellent manure, rich in __(iii)__and __(iv)__.
On a straight road, a car starts from rest and accelerates at uniform rate of 6 m s-2 for some time, then moves with constant speed for some time and retards at the same uniform rate and comes to rest. Total time for the journey is 24 s and average speed for journey is 20 m s-1.
How long does the car move with constant speed?
B 8 s
C 12 s
D 16 s
answer given is wrong
Four substances P, Q, R and S are mixed in a beaker containing water. The properties of these substances are listed in the given table.
Which of the following methods of separation should be used in sequence to obtain substance S from the mixture?
AFiltration, evaporation followed by magnetic separation.
BSeparating funnel followed by churning.
CFiltration followed by magnetic separation.
DSedimentation and decantation followed by evaporation.