You visited us 1 times! Enjoying our articles? Unlock Full Access!

Byju's Answer

Standard X

Mathematics

Volume of Hemisphere

Water level i...

Question

Water level in the tank is decreasing At a constant rate of 1 $c m / s . A$ small metal sphere is moving downwards with a constant velocity 5 $c m / s e c$ . Base of the tank is concave mirror of radius 40 $c m .$ Find the velocity of the image seen.

4 c m / s e c

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

5 c m / s e c

No worries! We‘ve got your back. Try BYJU‘S free classes today!

2 c m / s e c

No worries! We‘ve got your back. Try BYJU‘S free classes today!

None of these

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A $4 c m / s e c$
Option A is correct

Suggest Corrections

Similar questions

If object is placed at 60 cm before the concave mirror. The object moves with velocity 20 cm/sec towards the mirror. The magnification is -1/2 at initial position. And if magnification after 1 sec is – 1 find out the average velocity of the image for above 1 sec period.

Q. A water tank has the shape of a right circular cone with its vertex down. Its altitude is

10 c m

and the radius of the base is

15 c m

. Water leaks out of the bottom at a constant rate of

1 c u c m / s e c

. Water is poured into the tank at a constant rate of

C c u . c m / s e c

. Compute

C

so that the water level will be rising at the rate of

4 c m / s e c

at the instant when the water is

2 c m

deep.

Water flows through a cylindrical pipe, whose inner radius is 1 cm, at the rate of 80cm/ sec in an empty cylindrical tank, the radius of whose base is 40 cm. What is the rise of water level in tank in half an hour ?

Q. Question 18
Water flows through a cylindrical pipe, whose inner radius is 1 cm, at the rate of 80 cm/sec in an empty cylindrical tank, the radius of whose base is 40 cm. What is the rise of water level in tank in half an hour?

Q. A particle moves towards a concave mirror of focal length

30 cm

along its axis and with a constant speed of

4 cm/sec

Join BYJU'S Learning Program

Water level in the tank is decreasing At a constant rate of 1cm/s.A small metal sphere is moving downwards with a constant velocity 5cm/sec . Base of the tank is concave mirror of radius 40cm. Find the velocity of the image seen.

The correct option is A 4 cm/secOption A is correct

Water level in the tank is decreasing At a constant rate of 1 $c m / s . A$ small metal sphere is moving downwards with a constant velocity 5 $c m / s e c$ . Base of the tank is concave mirror of radius 40 $c m .$ Find the velocity of the image seen.

The correct option is A $4 c m / s e c$
Option A is correct