Question
What happens when light enters a glass slab from
air?Solution
When light enters a denser medium (glass) from a less dense medium (air), it bends towards the normal due to refraction. (A) It bends away from the normal: this happens when light moves from denser to less dense mediums. (B) It undergoes total internal reflection: this only occurs when light passes at certain angles.
Two positions of a cube are shown. What will come opposite to the face showing ‘@’?
Select the set in which the numbers are related in the same way as are the numbers of the following sets.
(NOTE : Operations should be performe...
Change the question mark with the option that follows the applied logic in the first pair.Â
X : L :: M : ??
Five friends X,Y,Z, A and B are sitting in a circle facing the centre. X is to the immediate left of Y and to the immediate right of Z, B is to the imme...
Which of the following numbers will replace the question mark (?) in the given series?
134, 129, 122, ?, 102, 89
In the following question, select the figure which can be placed at the sign of question mark (?) from the given alternatives.
This question is based on the given words.
ELF PUT HOP JABÂ
In each word, each vowel is replaced by its next letter in the English alph...
Statement II: Some stationery items are rubbers.Â
Statement III: All markers are pens.Â
Conclusion I: Some stationery items are not rubb...
Among seven friends A, B, C, D, E, F and G, B is taller than only four other friends. C is taller than D. A is taller than F. E is taller than one perso...
In a certain code, if '&' means 'add', '#' means 'multiply', '@' means 'divide' and 'S' means 'subtract'. Find the value of the following equation.Â
