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How many silver coins, 1.75cm in diameter and of thickness 2mm, must be melted to form a cuboid of dimensions 5.5cm×10cm×3.5cm?
06
Oct
How many silver coins, 1.75cm in diameter and of thickness 2mm, must be melted to form a cuboid of dimensions 5.5cm×10cm×3.5cm? 1.75cm in diameter and of thickness 2mm How many silver coins must be melted to form a cuboid of dimensions 5.5cm×10cm×3.5cm? October 6, 2020 Category: Chapter 13 - Surface Areas and Volumes , Maths [...]
A container shaped like a right circular cylinder having diameter 12 cm and height 15 cm is full of ice cream. The ice cream is to be filled into cones of height 12 cm and diameter 6 cm, having a hemispherical shape on the top. Find the number of such cones which can be filled with ice cream.
06
Oct
A container shaped like a right circular cylinder having diameter 12 cm and height 15 cm is full of ice cream. The ice cream is to be filled into cones of height 12 cm and diameter 6 cm, having a hemispherical shape on the top. Find the number of such cones which can be filled [...]
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A container shaped like a right circular cylinder having diameter 12 cm and height 15 cm is full of ice cream. The ice cream is to be filled into cones of height 12 cm and diameter 6 cm ,
having a hemispherical shape on the top. Find the number of such cones which can be filled with ice cream. ,
The velocity of light in a medium is half its velocity in air. If a ray of light emerges from such a medium into air, the angle of incidence, at which it will be totally internally reflected
06
Oct
The velocity of light in a medium is half its velocity in air. If a ray of light emerges from such a medium into air, the angle of incidence, at which it will be totally internally reflected at which it will be totally internally reflected the angle of incidence The velocity of light in a [...]
A well of diameter 3 m is dug 14 m deep. The earth taken out of it has been spread evenly all around it in the shape of a circular ring of width 4 m to form an embankment. Find the height of the embankment.
06
Oct
A well of diameter 3 m is dug 14 m deep. The earth taken out of it has been spread evenly all around it in the shape of a circular ring of width 4 m to form an embankment. Find the height of the embankment. Two cubes each of volume 64 cm^3 are joined end [...]
A circular beam of light of diameter d = 2 cm falls on a plane surface of glass. The angle fo incidence is 60 and refractive index of glass is mu = 3/2. The diameter of the refracted beam is
06
Oct
A circular beam of light of diameter d = 2 cm falls on a plane surface of glass. The angle fo incidence is 60 and refractive index of glass is mu = 3/2. The diameter of the refracted beam is A circular beam of light of diameter d = 2 cm falls on a plane [...]
A 20 m deep well with diameter 7 cm is dug and the earth from digging is evenly spread out to form a platform 22 m by 14 m. Find the height of the platform.
06
Oct
A 20 m deep well with diameter 7 cm is dug and the earth from digging is evenly spread out to form a platform 22 m by 14 m. Find the height of the platform. A 20 m deep well with diameter 7 cm is dug and the earth from digging is evenly spread out [...]
What is the angle of incidence for an equilateral prism of refractive index root 3 so that the ray is parallel to the base inside the prism?
06
Oct
What is the angle of incidence for an equilateral prism of refractive index root 3 so that the ray is parallel to the base inside the prism? What is the angle of incidence for an equilateral prism of refractive index root 3 so that the ray is parallel to the base inside the prism? October [...]
Metallic spheres of radii 6cm,8cm and 10cm respectively, are melted to form a single solid sphere. Find the radius of the resulting sphere.
06
Oct
Metallic spheres of radii 6cm,8cm and 10cm respectively, are melted to form a single solid sphere. Find the radius of the resulting sphere. 8cm and 10cm respectively are melted to form a single solid sphere. Find the radius of the resulting sphere. Metallic spheres of radii 6cm October 6, 2020 Category: Chapter 13 - Surface [...]
A cube of side 2 m is placed in front of a concave mirror of focal length 1 m with its face A at a distance of 3 m and face B at a distance of 5 m from the mirror. The distance between the images of faces A and B
06
Oct
A cube of side 2 m is placed in front of a concave mirror of focal length 1 m with its face A at a distance of 3 m and face B at a distance of 5 m from the mirror. The distance between the images of faces A and B A cubic container is [...]
A metallic sphere of radius 4.2 cm is melted and recast into the shape of a cylinder of radius 6 cm. Find the height of the cylinder.
06
Oct
A metallic sphere of radius 4.2 cm is melted and recast into the shape of a cylinder of radius 6 cm. Find the height of the cylinder. A metallic sphere of radius 4.2 cm is melted and recast into the shape of a cylinder of radius 6 cm. Find the height of the cylinder. October [...]