Question

A stationary fish in the water notices that a bird in the air approaches the fish with a velocity 12ms−1. The true velocity of bird is (μwater=43)

A
9 ms1
B
10.5 ms1
C
15 ms1
D
16 ms1
Solution
Verified by Toppr
0
Similar Questions
Q1

A bird is flying 3 m above the surface of water. If the bird is diving vertically down with speed = 6 m/s, his apparent velocity as seen by a stationary fish underwater is:

View Solution
Q2

A bird is flying 3 m above the surface of water of refractive index 4/3 If the bird is diving vertically down with speed 6 m/s, his apparent velocity as seen by a stationary fish underwater (in m/s) is:

View Solution
Q3

A fish rising vertically up towards the surface of water with speed 3 ms1 observes a bird diving vertically down towards it with speed 9 ms1. The actual velocity of the bird is

View Solution
Q4

A fish is rising up vertically inside a pond with velocity 4 cm/s, and notices a bird, which is diving downward and its velocity appears to be 16 cm/s (to the fish). The real velocity of the diving bird is [μwater=4/3]

View Solution
Q5

A bird is flying up at angle sin1(3/5) with the horizontal. A fish in a pond looks at that bird. When it is vertically above the fish, the angle (in degrees) at which the bird appears to fly (to the fish) is [nwater=4/3]

View Solution
Solve
Guides