Physics

<aside> <img src="/icons/daisy_purple.svg" alt="/icons/daisy_purple.svg" width="40px" /> 1. Which of the following is an example of a vector quantity?

<aside> <img src="/icons/daisy_purple.svg" alt="/icons/daisy_purple.svg" width="40px" /> 2. A person stand on a weighing scale in a lift going upwards with a constant velocity. If the weight of the person under normal circumstances on surface of earth is W, the weight shown by the weighing scale in the lift will be?

<aside> <img src="/icons/daisy_purple.svg" alt="/icons/daisy_purple.svg" width="40px" /> 3. What is the angle between X and y such that X=A+B whereas Y=B+A?

<aside> <img src="/icons/daisy_purple.svg" alt="/icons/daisy_purple.svg" width="40px" /> 4.Angle between rF and -rF is:

<aside> <img src="/icons/daisy_purple.svg" alt="/icons/daisy_purple.svg" width="40px" /> 5. How will it effect the K.E of an object if its momentum is quadrupled keeping mass constant?

<aside> <img src="/icons/daisy_purple.svg" alt="/icons/daisy_purple.svg" width="40px" /> 6. At infinity absolute P.E becomes

<aside> <img src="/icons/daisy_purple.svg" alt="/icons/daisy_purple.svg" width="40px" /> 7. A ball tied to the end of a string is swung in horizontal circle, the tension in string will be:

<aside> <img src="/icons/daisy_purple.svg" alt="/icons/daisy_purple.svg" width="40px" /> 8. A Galvanometer has a resistance of 50Ω and it defects full scale when a current of 10 milli ampere flows through it. It can be used to measure a current of 10 amperes by adding ______

<aside> <img src="/icons/daisy_purple.svg" alt="/icons/daisy_purple.svg" width="40px" /> 9. The time period off a simple pendulum is independent of:

<aside> <img src="/icons/daisy_purple.svg" alt="/icons/daisy_purple.svg" width="40px" /> 10. When transverse wave gets reflected from a denser boundary then?

<aside> <img src="/icons/daisy_purple.svg" alt="/icons/daisy_purple.svg" width="40px" /> 11. According to Laplace, when sound wave move through air, this is an:

<aside> <img src="/icons/daisy_purple.svg" alt="/icons/daisy_purple.svg" width="40px" /> 12. Two tubes “X” and “Y” have same length. “X” can have any harmonic even us odd yet the “Y” can have only one kind of harmonics. What will be the ratio of their respective fundamental wavelengths?

<aside> <img src="/icons/daisy_purple.svg" alt="/icons/daisy_purple.svg" width="40px" /> 13. A closed organ pipe and an open organ pipe have their second overtone identical in frequency. Their lengths are in ratio respectively:

<aside> <img src="/icons/daisy_purple.svg" alt="/icons/daisy_purple.svg" width="40px" /> 14. Which of the following scientist gave idea of wave nature of light first of all?

<aside> <img src="/icons/daisy_purple.svg" alt="/icons/daisy_purple.svg" width="40px" /> 15. A monochromatic light passes through a prism. Which of the following process is not possible:

<aside> <img src="/icons/daisy_purple.svg" alt="/icons/daisy_purple.svg" width="40px" /> 16. The pressure of gas is directly proportional to

<aside> <img src="/icons/daisy_purple.svg" alt="/icons/daisy_purple.svg" width="40px" /> 17. In order to decrease the antenna size for efficient use, ______ is done.

<aside> <img src="/icons/daisy_purple.svg" alt="/icons/daisy_purple.svg" width="40px" /> 18. The turbine in a steam power plant takes steam from a boiler at 427°C and exhausts into a low temperature reservoir at 77°C. What is maximum efficiency possible?

<aside> <img src="/icons/daisy_purple.svg" alt="/icons/daisy_purple.svg" width="40px" /> 19. Five charge q1 = +1C, q2= +3C, q3= +5C, q4= -5C and q5= -4C are present in a closed surface, the electric flux through that surface will be: