Science Physics questions from IAS 1999.
Endoscopy, a technique used to explore the stomach or other inner parts of the body is based on the phenomenon of
Cobalt-60 is commonly used in radiation therapy because it emits
Consider the following statements: 1. If a person looks at a coin which is in a bucket of water, the coin will appear to be closer than it really is. 2. If a person under water looks at a coin above, the water surface, the coin will appear to be at a higher level than it really is. Which of the above statements is/are correct?
Consider the following statements: An ordinary light bulb has a rather short life because the: 1. filament wire is not uniform. 2. bulb cannot be evacuated completely. 3. wires supporting the filament melt at high temperatures. Which of the above statements are correct?
Assertion (a) : To dih4te sulphuric acid, acid is added to water and not water to acid. Reason (K) : Specific heat of water is quite 1arge
A hunter aims his gun at a point between the eyebrows of a monkey sitting on a branch of a tree. Just as he fires, the monkey jumps down. The bullet will:
Low temperatures (cryogenics) find applications in :
Barium in a suitable form is administered to patients before an X-ray examination of the stomach; because
Strips of two metals A and B are firmly jointed together as shown in the figure. [Image: Question Image] On heating, A expands more than B does. If this jointed strip is heated, then it will appear as
Match List I (Quantity) with List II (Units) and select the correct answer using the codes given below the lists: | List-I | | List-II A. | High speed | 1. | Mach B. | Wavelength | 2. | Angstrom C. | Pressure | 3. | Pascal. D. | Energy | 4. | Joule Codes: ABCD