MEDIUM

Earn 100

Calculate the average density of earth in terms of $g, G, R .$

Important Questions on Gravitation

EASY

Science>Physics>Gravitation>Archimedes' Principle

The ratio of the total surface area and volume of a sphere is

2 : 7

. Its radius is _____.

EASY

Science>Physics>Gravitation>Archimedes' Principle

What is the area of triangle whose sides are

3 cm

5 cm

and

4 cm

MEDIUM

Science>Physics>Gravitation>Archimedes' Principle

The base of a triangle is equal to the perimeter of a square whose diagonal is

9 \sqrt{2} cm

, and its height is equal to the side of a square whose area is

144 {cm}^{2}

. The area of the triangle (in

{cm}^{2}

) is _____.

EASY

Science>Physics>Gravitation>Archimedes' Principle

The sides of a triangle are in the ratio

3 : 2 : 4

and the perimeter is

72 cm

, Find the length of each side (in

cm

) of the triangle.

MEDIUM

Science>Physics>Gravitation>Archimedes' Principle

The radius of a circular field is equal to the side of a square field. If the difference between the perimeter of the circular field and that of the square field is

32

m, what is the perimeter of the square field?

MEDIUM

Science>Physics>Gravitation>Archimedes' Principle

The two parallel sides of a trapezium are

17 cm

and

15 cm

, respectively. If the height of the trapezium is

6 cm

, then its area (in

m^{2}

) is:

EASY

Science>Physics>Gravitation>Archimedes' Principle

If the area of an equilateral triangle is

36 \sqrt{3} {cm}^{2}

, then the perimeter of the triangle is:

MEDIUM

Science>Physics>Gravitation>Archimedes' Principle

The radius of the base of a right circular cylinder is increased by

20 %

. By what per cent should its height be reduced so that its volume remains the same as before?

EASY

Science>Physics>Gravitation>Archimedes' Principle

A plano-convex lens of unknown material and unknown focal length is given. With the help of a spherometer we can measure the

EASY

Science>Physics>Gravitation>Archimedes' Principle

The radius of a circular garden is

42 m

. The distance (in meter) covered by running

8

rounds around it is: (Take

π = \frac{22}{7}

)

MEDIUM

Science>Physics>Gravitation>Archimedes' Principle

N

solid metallic spherical balls are melted and recast into a cylindrical rod whose radius is

3

times that of a spherical ball and height is

4

times the radius of a spherical ball. The value of

N

is:

EASY

Science>Physics>Gravitation>Archimedes' Principle

The radius of a circular field is

31.5

metres. What is the circumference?

MEDIUM

Science>Physics>Gravitation>Archimedes' Principle

A and B are standing on the same side of a wall and observe that the angles of elevation to the top of the wall are

45 °

and

60 °

respectively. If the height of the wall is

50 m

. the distance between A and B is: (Use

\sqrt{3} = 1.73

and

\sqrt{2} = 1.41

)

MEDIUM

Science>Physics>Gravitation>Archimedes' Principle

A rectangular lawn whose length is twice its breadth is extended by having four semi-circular portions on its sides. What is the total area (in

m^{2}

) of the lawn if the smaller side of the rectangle is

12 m

? (Take

π = 3.14

)

HARD

Science>Physics>Gravitation>Archimedes' Principle

Find the cost of carpeting a room which is

11 m

long and

6 m

broad by a carpet which is

60 cm

broad at the rate of

₹ 112.50

per meter.

MEDIUM

Science>Physics>Gravitation>Archimedes' Principle

A cube of side

1 m

length is cut into small cubes of side

10 cm

each. How many such small cubes can be obtained?

EASY

Science>Physics>Gravitation>Archimedes' Principle

If a cuboid has

l = 24 cm, b = 16 cm, h = 7.5 cm

, its lateral surface area is ______.

EASY

Science>Physics>Gravitation>Archimedes' Principle

The area of the four walls of a room having length

6 cm

breadth

4 m

and height

4 m

, is:

HARD

Science>Physics>Gravitation>Archimedes' Principle

A sphere is divided in

2 : 3

. Big portion moulded into a cone of which base radius is equal to its height. While small portion moulded into a cylinder of which height is equal to base radius. Find the ratio of Base radius of cone and height of cylinder.

MEDIUM

Science>Physics>Gravitation>Archimedes' Principle

A jar is filled with two non-mixing liquids $1$ and $2$ having densities $d_{1}$ and $d_{2}$ , respectively. A solid ball, made of a material of density $d_{3}$ , is dropped in the jar. It comes to equilibrium in the position shown in the figure. Which of the following is true for $d_{1}$ , $d_{2}$ and $d_{3}$ ?

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Calculate the average density of earth in terms of g, G, R.

Important Questions on Gravitation

Learn and Prepare for any exam you want !

Calculate the average density of earth in terms of $g, G, R .$