A man fires a gun 150 m from a cliff. A second man who is standing 300 m further away from the cliff hears the gun 1 second after he sees the flash. The second man will hear the echo from the cliff
A 1 second after seeing the flash
B 2 seconds after hearing the gun
C 2 seconds after seeing the flash
D 4 seconds after hearing the gun.
The right answer is 3 seconds after seeing the flash but that is not even there in the option. Please check
Saurabh’s mother called him for dinner. She prepared his thali as shown in the given figure. Which essential nutrient is significantly absent in his dinner thali?
Read the given statements and select the correct option.
Statement 1 : When Ravi saw a film on space wars, he didn’t hear any explosions.
Statement 2 : Sound travels slowest through gases.
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 but statement 2 is false.
D Statement 1 is false but statement 2 is true.
i cant understand the meaning of statement 1
Which of the following animals shows the eating habit similar to that of the animal shown in the figure?
tell me answeer
The diagram shows a ray PQR travelling through a glass slab. Which option in the table gives the correct name for all three rays?
|A||Incident ray||Emergent ray||Refracted ray|
|B||Incident ray||Refracted ray||Emergent ray|
|C||Emergent ray||Incident ray||Refracted ray|
|D||Emergent ray||Refracted ray||Incident ray|