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The box with Apple is placed fourth to the left of R. Only two boxes are placed between R and V, which has Acer. Q is placed on one of the ends but not to the right of V. Case-1 The number of boxes between Q and V is the same as between the boxes with Acer and Dell, which is placed to the immediate left of the box with Lenovo. Only three boxes are placed between the box with Lenovo and S. Hence, case 1 gets eliminated. Case-2
Sound and light waves both have ___________ .
Heat stored in water vapour is –
Which of the following is the time taken for one complete oscillation of a sound wave in the density of the medium?
Quantum Theory was discovered by
Which compound is used to prepare water proof clothes?
What characteristic makes metals good conductors of electricity?
1 unit of Newton is equal to
Which medium cannot propagate sound waves?
Which material has the lowest refractive index?
In the atmosphere ultraviolet rays are absorbed by –