ENTRANCE TEST – 2013 Multiple Questions and Answers.




26.For what CAT stands in X-ray technology?
A. Capacitor Amplifier Transisto
B. Computerized Axial Tomography
C. Cathode Anode Technique
D. Current Amplification Technology

27.During the production of LASER, when the excited state E2 contains more number of atoms than the ground state E1, the state is known as:
A. Population inversion
B. Ground State
C. Excited state
D. Metastable state

28.In cloud chamber the path of β-particles is:
A. Straight, thick, short
B. Thin, wavy, shorter
C. Thin, wavy, longe
D. Thin, straight, short

29.Among the three types of radioactive radiation, which have strongest penetration power?
A. Alpha
B. Gamma
C. Beta
D. All have same penetration power

30.Emission of alpha decay from a radioactive substance causes:
A. Decreases in 'Z' by 4 and decreases in 'A' by 2
B. Decreases in 'A' by 1 and 'Z' remains same
C. Decreases in 'Z' by 1 and 'A' remains same
D. Decreases in 'A' by 4 and decreases in 'Z' by 2

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