Study with K2
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In a digital system, information is represented using binary numbers, 0 and 1.
Anonymous Quiz
85%
True
15%
False
❤‍🔥4
Alpha particles have a higher penetrating power than grammar rays.
Anonymous Quiz
30%
True
70%
False
❤‍🔥3
Capillary occurs for non-wetting liquids.
Anonymous Quiz
40%
True
60%
False
😭41
The viscosity of gases increases with an increase in temperature.
Anonymous Quiz
73%
True
27%
False
3❤‍🔥1😭1
At a river junction, water streams are whirling, it is ___.
Anonymous Quiz
4%
A. Constant
10%
B. Laminar
86%
C. Turbulent
3😭1
Non-conventional energy sources are continuously replenished by natural processes.
Anonymous Quiz
62%
True
38%
False
A hydropower resource cannot be evaluated by its available power.
Anonymous Quiz
44%
True
56%
False
Earth's atmosphere and cloud absorb or scatter as much as 54% of the incoming sunlight.
Anonymous Quiz
74%
True
26%
False
4
Harnessing the wind is highly independent on weather and location.
Anonymous Quiz
57%
True
43%
False
😢31
Non-renewable energy resources include ___.
Anonymous Quiz
84%
A. Coal
10%
B. Wind
5%
C. Solar
3
There are ___ types of concentrated solar power.
Anonymous Quiz
7%
A. One
61%
B. Four
32%
C. Two
3
___ is the main constituent of these fossil fuel.
Anonymous Quiz
91%
A. Carbon
4%
B. Oxygen
5%
C. Nitrogen
2
Reflection of sound obeys the laws of reflection.
Anonymous Quiz
92%
True
8%
False
❤‍🔥31
Cavitation bubbles are created at sites of rarefaction.
Anonymous Quiz
66%
True
34%
False
🍓3👌1
A prenatal ultrasound test uses low-frequency sound waves.
Anonymous Quiz
39%
True
61%
False
3
For every 10 dB added to the sound level, the loudness of the sound is increased by 10 times.
Anonymous Quiz
74%
True
26%
False
2
Pitch of the note is determined by its frequency.
Anonymous Quiz
84%
True
16%
False
❤‍🔥1
The greater the intensity, the greater is the loudest of the sound.
Anonymous Quiz
81%
True
19%
False
2
Manufacturers of concrete use ___ to check for cracks or cavities.
Anonymous Quiz
54%
A.ultrasound
25%
B.infrasound
21%
C.sonar
3
Wavefront is always parallel to the direction of propagation or raysm
Anonymous Quiz
56%
True
44%
False
😢31
Monochromatic light (a particular wavelength) from a single source are used in his experiment.
Anonymous Quiz
83%
True
17%
False
3