GENERAL SCIENCE PHYSICS ONE LINERS FOR TNPSC UPSC SSC SET 001
1). Planets are
A). luminous heavenly bodies revolving around a star
B). non-luminous heavenly bodies
C). luminous heavenly bodies that twinkle
D). luminous heavenly bodies that do not twinkle
Answer: non-luminous heavenly bodies
2). Natural radioactivity was discovered by
A). Marie Curie
B). Ernest Rutherford
C). Henri Becquerel
D). Enrico Fermi
Answer: Henri Becquerel
3). Rainbow is produced when sunlight fall on drops of rain. Which of the following physical phenomena are responsible for this?
Diffusion
Refraction
Internal reflection
A). I, II and III
B). I and II
C). II and III
D). I and III
Answer: II and III
4). One should not connect a number of electrical appliances to the same power socket because
A). this can damage the appliances due to overloading
B). this can damage the domestic wiring due to overloading
C). this can damage the electrical meter
D). the appliance will not get full voltage
Answer: this can damage the domestic wiring due to overloading
5). Large astronomical telescopes always use as objective
A). lens
B). mirror
C). combinations of lenses
D). None of the above
Answer: combinations of lenses
6). Identify the vector quantity from the following
A). Heat
B). Angular momentum
C). Time
D). Work
Answer: Angular momentum
7). Sound of frequency below 20 Hz is called
A). audio sounds
B). infrasonic
C). ultrasonic
D). supersonics
Answer: infrasonic
8). RADAR is used for
A). locating submerged submarines
B). receiving a signals in a radio receiver
C). locating geostationary satellites
D). detecting and locating the position of objects such as aeroplanes
Answer: detecting and locating the position of objects such as aeroplanes
9). Materials for rain-proof coats and tents owe their water-proof properties to
A). surface tension
B). viscosity
C). specific gravity
D). elasticity
Answer: surface tension
10). Point A is at a lower electrical potential than point B. An electron between them on the line joining them will
A). move towards A
B). move towards B
C). move at right angles to the line joining A and B
D). remain at rest
Answer: move towards B
A). luminous heavenly bodies revolving around a star
B). non-luminous heavenly bodies
C). luminous heavenly bodies that twinkle
D). luminous heavenly bodies that do not twinkle
Answer: non-luminous heavenly bodies
2). Natural radioactivity was discovered by
A). Marie Curie
B). Ernest Rutherford
C). Henri Becquerel
D). Enrico Fermi
Answer: Henri Becquerel
3). Rainbow is produced when sunlight fall on drops of rain. Which of the following physical phenomena are responsible for this?
Diffusion
Refraction
Internal reflection
A). I, II and III
B). I and II
C). II and III
D). I and III
Answer: II and III
4). One should not connect a number of electrical appliances to the same power socket because
A). this can damage the appliances due to overloading
B). this can damage the domestic wiring due to overloading
C). this can damage the electrical meter
D). the appliance will not get full voltage
Answer: this can damage the domestic wiring due to overloading
5). Large astronomical telescopes always use as objective
A). lens
B). mirror
C). combinations of lenses
D). None of the above
Answer: combinations of lenses
6). Identify the vector quantity from the following
A). Heat
B). Angular momentum
C). Time
D). Work
Answer: Angular momentum
7). Sound of frequency below 20 Hz is called
A). audio sounds
B). infrasonic
C). ultrasonic
D). supersonics
Answer: infrasonic
8). RADAR is used for
A). locating submerged submarines
B). receiving a signals in a radio receiver
C). locating geostationary satellites
D). detecting and locating the position of objects such as aeroplanes
Answer: detecting and locating the position of objects such as aeroplanes
9). Materials for rain-proof coats and tents owe their water-proof properties to
A). surface tension
B). viscosity
C). specific gravity
D). elasticity
Answer: surface tension
10). Point A is at a lower electrical potential than point B. An electron between them on the line joining them will
A). move towards A
B). move towards B
C). move at right angles to the line joining A and B
D). remain at rest
Answer: move towards B
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