Related Questions to study
Physics
A light ray bends ____ on emerging from a ____.
A light ray bends ____ on emerging from a ____.
PhysicsGrade-7
Physics
Which of the given lenses can be used to light a fire?
Which of the given lenses can be used to light a fire?
PhysicsGrade-7
Physics
Which lens is used in a magnifying glass?
Which lens is used in a magnifying glass?
PhysicsGrade-7
Physics
When an object is moved too close to a convex lens, it forms a _____ image of that object.
When an object is moved too close to a convex lens, it forms a _____ image of that object.
PhysicsGrade-7
Physics
Except for normal incidence, the incident ray is ____ parallel to the corresponding emergent ray in case of refraction through a spherical lens.
Except for normal incidence, the incident ray is ____ parallel to the corresponding emergent ray in case of refraction through a spherical lens.
PhysicsGrade-7
Physics
During the normal incidence of a light ray on a spherical lens, the light ray ____.
During the normal incidence of a light ray on a spherical lens, the light ray ____.
PhysicsGrade-7
Physics
A light ray bends ____ on entering the air from ____.
A light ray bends ____ on entering the air from ____.
PhysicsGrade-7
Physics
When a parallel beam of light falls on a surface of a convex lens, it ____ the rays of light in it to a point called ____.
When a parallel beam of light falls on a surface of a convex lens, it ____ the rays of light in it to a point called ____.
PhysicsGrade-7
Physics
Concave lenses are ____ in the middle and ____ towards the edge.
Concave lenses are ____ in the middle and ____ towards the edge.
PhysicsGrade-7
Physics
Spherical lenses are _____ objects.
Spherical lenses are _____ objects.
PhysicsGrade-7
Physics
Convex lenses are ____ in the middle and ____ towards the edge
Convex lenses are ____ in the middle and ____ towards the edge
PhysicsGrade-7
Physics
Convex lenses are also called ___ lenses.
Convex lenses are also called ___ lenses.
PhysicsGrade-7
Physics
____ are widely used in spectacles, microscopes, and telescopes
____ are widely used in spectacles, microscopes, and telescopes
PhysicsGrade-7
Mathematics
David designs a game for the school fair. Participants roll two number cubes at the same time. If the sum of the numbers on the two cubes is 7, the player wins. About how many winners should Bob expect if 250 participants play this game?
David designs a game for the school fair. Participants roll two number cubes at the same time. If the sum of the numbers on the two cubes is 7, the player wins. About how many winners should Bob expect if 250 participants play this game?
MathematicsGrade-7
Mathematics
When a card is drawn from a well-shuffled pack of 52 cards, what is the probability that it will be an ace?
When a card is drawn from a well-shuffled pack of 52 cards, what is the probability that it will be an ace?
MathematicsGrade-7
