Maximum Marks: 80
Time allowed: Two and half hours
Answers to this Paper must be written on the paper provided separately.
You will not be allowed to write during first 15 minutes.
This time is to be spent in reading the question paper.
The time given at the head of this Paper is the time allowed for writing the answers.
Section-A
(Attempt all questions from this Section.)
Question 1
Choose one correct answer to the questions from the given options:
(i) The base of cooking pans is made thicker and heavy because
(a) it increases the heat capacity of pan
(b) the food does not get charred and keeps hot for long time
(c) it lowers the heat capacity of pan
(d) both (a) and (b)
(ii) A girl at rest at the gate of her society which is 3.2 m above the road comes down the slope AB on a cycle without paddling. [g= 10 N/kg]
The mechanical energy possessed by the girl at B is:
(a) Vibrational kinetic energy
(b) Translational kinetic energy
(c) Elastic potential energy
(d) Gravitational potential energy
(iii) If the center of gravity of a meter scale of mass 80 g lies at the 45 cm mark, then which
one of the following diagrams will show the balanced position of the scale.
(iv) Which one of the diagnostic method use reflection sound ?
(a) CT scan
(b) Echocardiogram
(c) MRI
(d) Electrocardiogram