771. Which of the following term denotes the internal reaction force per unit area developed as a result of applied external force ?
A. Stress
B. Friction
C. Moment of Inertia
D. tension
✅ The correct answer is option A.
SSC
772. Consider the following: Help ISRO in Research Help Department of Space in New Discoveries Commercially sell Products & Services of Indian Space Which among the above is / are the correct objectives of ANTRIX?
A. 1 & 2
B. 2 & 3
C. Only 2
D. Only 3
✅ The correct answer is option D.
773. Which among the following defines cohesive force?
A. the force of attraction acting between the molecules of same material
B. the force of attraction acting between the molecules of different material
C. the force of attraction acting between the atoms of same material
D. None of the above
✅ The correct answer is option A.
774. Which among the following is used to listen and record underwater sounds?
A. Altimeter
B. SONAR
C. Hydrophone
D. RADAR
✅ The correct answer is option C.
775. The ideal fluid which is a hypothetical fluid should contain _______?
A. Zero Viscosity Only
B. Zero Compressibility Only
C. Zero Viscosity & Zero Compressibility
D. None of the above
✅ The correct answer is option C.
776. Kakrapar Atomic Power Station (KAPS-1) is located in which among the following states?
A. Maharastra
B. Gujarath
C. Goa
D. Karnataka
✅ The correct answer is option B.
777. Which among the following is measured using a Vernier Calliper?
A. Dimensions
B. Time
C. Sound
D. Temperature
✅ The correct answer is option A.
778. Which among the following is true about conduction, convection and radiation mode of transfer of heat?
A. A Medium is required for conduction but not required for convection and radiation
B. A medium is required for conduction, convection and radiation
C. A medium is required for conduction and convection but not required for radiation
D. A medium is not required for conduction and convectio, radiation
✅ The correct answer is option C.
779. Which among the following kinds of lenses are used to treat Astigmatism?
A. Convex Lens
B. Concave Lens
C. Bifocal Lens
D. Cylindrical
✅ The correct answer is option D.
780. What is the use of Venturimeter?
A. to measure subdivisions of scale
B. to measure wavelength of radio wave
C. To measure friction
D. to measure rate of flow of fluids
✅ The correct answer is option D.