Science General Study Questions

Q31. The energy content of food is generally measured in
(a) Ergs
(b) Coulombs
(c) Kilojoules
(d) Calories

Q32. Heavy water was discovered by
(a) Hans Suess
(b) Harold Urey
(c) Alexander Oparin
(d) John S. Lewis

Q33. Wi Max is related to
(a) Bio Technology
(b) Space Technology
(c) Communication Technology
(d) Missile Technology

Q34. Which one of the following types of glass can cut off the UV rays
(a) Soda Glass
(b) Pyrex Glass
(c) Jena Glass
(d) Crookes Glass

Q35. Which of the following is used as an explosive
(a) Phosphorous Trichloride
(b) Mercuric Oxide
(c) Graphite
(d) Nitroglycerin

Q36. Which of the following types of waves are used in a night vision equipment
(a) Radio Waves
(b) Infra Red Waves
(c) Micro Waves
(d) None of the above

Q37. Kg m2 per sec is the unit of
(a) Energy
(b) Momentum
(c) Angular Momentum
(d) Power

Q38. An ideal voltage source will charge an ideal capacitor
(a) In infinite time
(b) Exponentially
(c) Instantaneously
(d) None of the above

Q39. The laser produced from stimulated emission has the following characteristic
(a) Monochromatic
(b) Coherent
(c) Very narrow and collimated ray
(d) All of the above

Q40. Very small-time intervals are accurately measured by the
(a) Pulsars
(b) White dwarfs
(c) Atomic clocks
(d) Quartz clocks

Q41. The unit used to measure the supersonic speed is
(a) Knots
(b) Mach
(c) Richter
(d) Hertz

Q42. On the day the sun is farthest to the earth, the earth is said to be in
(a) Aphelion
(b) Perihelion
(c) Apogee
(d) Perigee

Q43. The device which does not have frequency dependent properties of its own is known as
(a) Inductor
(b) Capacitor
(c) Resistor
(d) All of the above

Q44. Transformer works on the principle of
(a) Mutual Induction
(b) Self Induction
(c) Both
(d) None of the above

Q45. Henry is the standard unit of
(a) Pressure
(b) Electrical inductance
(c) Electrical resistance
(d) Angular Motion

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