761. 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.
SSC
762. Chandrashekhar Limit, postulated by Dr S. Chandrashekhar posts a limit of mass of which among the following?
A. Neutron Star
B. White Dwarf
C. Steller Black Hole
D. Young stellar object
✅ The correct answer is option B.
763. 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.
764. Which among the following is the site of Prototype Fast Breeder Reactor (PFBR) in India?
A. Kudankulam
B. Kalpakkam
C. Narora
D. Rawatbhata
✅ The correct answer is option B.
765. 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.
766. Consider the following: Pressurized heavy water reactor (PHWR) Fast breeder reactor (FBR) Advanced Heavy Water Reactor(AHWR) The above three represent the stages of India‘s three stage Nuclear Power programme as follows respectively?
A. Stage I, Stage II, Stage III
B. Stage II, Stage I, Stage III
C. Stage III, Stage II, Stage I
D. Stage II, Stage III, Stage I
✅ The correct answer is option A.
767. 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.
768. When Ozone is heated its volume will…. ?
A. increases
B. decreases
C. remains unchanged
D. First Increase, then decrease
✅ The correct answer is option C.
769. What is the mean value of g at earth‘s surface?
A. 0.98 meter per second
B. 9.8 meter per second
C. 9.8 meter per second square
D. 0.98 meter per second square
✅ The correct answer is option C.
770. Any moving object on earth finally comes to rest due to which among the following?
A. Gravity
B. Friction
C. Inertia
D. Motion
✅ The correct answer is option B.