A. heat energy to K.E
B. elastic P.E to K.E
C. elemical energy to elastic P.E
D. K.E to elastic P.E.
Related Mcqs:
- Geothermal energy is a _______________________ source of energy?
A. non-renewable
B. stable
C. renewable
D. none of the above - ________________ cells converts solar energy into electrical energy?
A. rotory
B. photovoltaic
C. galvanic
D. non of these - In normal state of energy the incident high energy photons will be______________?
A. Stimulated
B. Absorbed
C. Cause X-ray emission
D. Cause laser production - According to Einstein light travels form one place to another in the form of ________________?
A. waves
B. particles
C. photons
D. it was not his discovery - A wire obeys Hooks law is of length 11 when it is in equilibrium under a tension F1. Its length becomes 12 when the tension is increased to F2. The energy stored in the wire during this process is____________________?
A. (F1+F2) (121+122)
B. (F1+F2) (122-112)
C. (F1+F2) (12-11)
D. (F1+F2) (12-11) - When the amplitude of a wave becomes double its energy become_________________?
A. Double
B. Four times
C. One half
D. None time - The system which can exchange matter as well as energy with its surroundings is called____________?
A. open system
B. Closed system
C. Isolated system
D. Inert systemSubmitted by: Aneela shabbir
- Work done on the body equals to the _____________________?
A. change in its K.E always
B. change in its P.E always
C. change in its K.E and change in its P.E
D. neither change in K.E and nor change in its P.E - On loading the prong of a tuning form with wax its frequency____________________?
A. increases
B. decreases
C. remains unchanged
D. may increase or decrease - A current carrying conductor is placed in a uniform magnetic field parallel to it. The magnetic force experienced by the conductor is _____________________?
A. F=1/B
B. F=1/Bsinθ
C. F/0
D. F=1/Bcosθ
