IAS 2007 — Physics
Science Physics questions from IAS 2007.
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7 Physics Questions from 2007
What is the average distance (approximate) between the Sun and the Earth?
Assertion (A): A jet aircraft moving at Mach Number equal to 1 travels faster at an altitude of 15 km than while moving at Mach Number equal to 1 near the sea level. Reason (R): The velocity of sound depends on the temperature of the surrounding medium. Codes:
Which one of the following types of glass can cut off ultraviolet rays?
Which of the following types is used by computed tomography employed for visualisation of the internal structure of human body?
Consider the following statements: 1. If magenta and yellow coloured circles intersect, the intersected area will have red colour. 2. If cyan and magenta coloured circles intersect, the intersected area will have blue colour. Which of the statements given above is/are correct?
Consider the following statements: 1. A flute of smaller length produces waves of lower frequency. 2. Sound travels in rocks in the form of longitudinal elastic waves only Which of the statements given above il/are correct?
Four wires of same material and of dimensions as under are stretched by a load of same magnitude separately. Which one of them will be elongated maximum?