A pendulum is taken to Moon , its time period will___________?
A. Increases
B. Decreases
C. Remains constant
D. Either increase or decrease
✅ The correct answer is option A.
Calorie of Energy is equal to _________?
A. .42 joule
B. 4.2 joule
C. 42 joule
D. 0.042 Joule
✅ The correct answer is option B.
Which among the following would be most commonly affected, if the filament of a electric Bulb is not uniform?
A. Light
B. Life
C. Resistance
D. None of the above
✅ The correct answer is option B.
Which among the following kinds of glass is used generally in making of the Bullet proof screens?
A. Pyrex glass
B. Jena glass
C. Reinforced Glass
D. Flint Glass
✅ The correct answer is option C.
The scientists have discovered that Milky Way is having two components, the disc and spherical. What may be the central object of Milky Way?
A. A Black Hole
B. A Neuron star
C. Vaccum
D. A Large Magellanic Cloud
✅ The correct answer is option A.
Which among the following defines gravitational mass?
A. Ratio of weight of a body and acceleration due to gravity
B. Ratio of Acceleration due to gravity and weight of a body
C. matter contained in a body
D. None of the above
✅ The correct answer is option A.
The value of acceleration due to gravity is __________?
A. Minimum at equator and maximum at poles
B. maximum at equator and minimum at poles
C. equal at poles and equator
D. None of the above
✅ The correct answer is option A.
When light from some sources enters to the earth‘s atmosphere, it gets scattered. Which among the following is a reason behind scattering?
A. Various wavelengths of light
B. dust, smoke and gas molecules
C. atmospheric pressure
D. None of the above
✅ The correct answer is option B.
Which among the following is true about latent heat ?
A. It causes change in temperature as well as change in state or phase
B. It causes change in temperature only
C. It causes change in state or phase but not in temperature
D. It causes change in Pressure
✅ The correct answer is option C.
Which among the following is a property of Insulator?
A. The electrons of the outer orbits are loosely bound to the nucleus , however can not flow through them
B. The electrons of the outer orbits are tightly bound to the nucleus and can not flow through them
C. The electrons of the outer orbits are loosely bound to the nucleus , and can flow through them
D. None of the above
✅ The correct answer is option B.