GAT Subject
Engineering
Computer Science Civil Engineering Chemical Engineering Agricultural Engineering Mechanical Engineering Electronics and Communication
16. | A disc at rest without slipping, rolls down a hill of height (3 x 9.8) m. What is its speed in m/sec when it reaches at the bottom? | ||
A. | 11.4. | ||
B. | 19.6. | ||
C. | 22.8. | ||
D. | 9.8. | ||
17. | Tuning of the radio is the best example of electrical __________ | ||
A. | Resonance | ||
B. | Resistance | ||
C. | Current | ||
D. | None of these | ||
18. | A standing wave pattern is formed when the length of string is an integral multiple of __________ wavelength. | ||
A. | Triple. | ||
B. | Full. | ||
C. | Half. | ||
D. | Double. | ||
19. | Which of the following lights travels the fastest in optical fibres? | ||
A. | Visible light. | ||
B. | Invisible infra-red. | ||
C. | Ultra-violet. | ||
D. | Ordinary light. | ||
20. | The algebraic sum of potential changes in a closed circuit is zero is Kirchhoff’s __________ rule. | ||
A. | First | ||
B. | Second | ||
C. | Third | ||
D. | None of these | ||