Question
When is the International Literacy day observed every
year?Solution
The day is observed every year globally on 8 September to mark the importance of literacy to individuals, society and communities. It was instituted in 1966 by United Nations Educational, Scientific and Cultural Organization (UNESCO).
Which quantity has the same dimensional formula as impulse?
A boy is standing in front of a plane mirror at a distance of 3 m from it. What is the distance between the boy and his image?
In a nuclear reaction, two deuterium nuclei fuse to form a helium nucleus. Which of the following correctly describes the reason for energy release?
Which phenomenon does a hologram use to create an image?
If the velocity-time graph of an object is a straight line inclined at an angle to the time axis, then:
Which of the following statement is INCORRECT regarding the comparison between biot-savart law for the magnetic field and coulomb's law for the electro...
A particle is projected such that its velocity vector sweeps equal angles with horizontal at equal time intervals. The motion is best described as:
In which medium can sound not travel?
A soap bubble shows colours when illuminated with white light. This is due to –
The radii of curvature of the faces of a double convex lens are 20 cm and 30 cm. If focal length of the lens is 36 cm find the refractive index of t...
