Study with K2
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တစ်နှစ်တာပတ်လုံး လုပ်သမျှ ကိုင်သမျှ ကြံစည်သမျှ အဆင်ပြေအောင်မြင်နိုင်ကြပါစေ။

ပညာရေးမှာလည်း ကြိုးစား‌သလောက် ထွန်းပေါက်နိုင်ကြပါစေ။

ဂုဏ်ထူးတွေလည်း ကိုယ်မှန်းထားသလောက်ရကြပါစေ။ လွတ်လွတ်ကျွတ်ကျွတ်လည်း အောင်ကြပါစေ။

နောက်ဆုံးပိတ်အနေနဲ့ အချစ်စစ် အချစ်မှန်နဲ့လည်း ဆုံစည်းနိုင်ကြပါစေ။

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78❤‍🔥22🍓3
အစ်မတို့ ဒီရက်ပိုင်း ကျောင်းပိတ်ထားတာမို့ pollလေးတွေ လုပ်ပေးနိုင်လောက်တယ်။

ဖြေချင်ကြလား ကလေးတို့။

ဘယ်ဘာသာတွေအဖြေချင်ဆုံးလဲ ပြောပါအုံး။ ရသလောက် မေးခွန်းတင်ပေးကြည့်မို့။

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32❤‍🔥2
In uniform circular motion, the object's speed remains constant, but the velocity direction continuously changes.
Anonymous Quiz
80%
True
20%
False
10
The buoyant force on an object submerged in a fluid depends only on the object's mass.
Anonymous Quiz
44%
True
56%
False
9
The Doppler effect occurs only when the source of sound is moving, not the listener.
Anonymous Quiz
30%
True
70%
False
❤‍🔥7
The human eye focuses light onto the retina using a lens that changes shape to adjust for distance.
Anonymous Quiz
81%
True
19%
False
10❤‍🔥1
According to Huygen's Principal, every point on a wave front can be considered a source of secondary wavelets.
Anonymous Quiz
87%
True
13%
False
3😭1
Diffraction occurs only when light passes through a narrow slit or opening.
Anonymous Quiz
60%
True
40%
False
😭5❤‍🔥1
Capacitors in series have the same charge on each capacitor.
Anonymous Quiz
81%
True
19%
False
5
Lenz's law states that the induced current always flows in a direction that assists the change in magnetic flux.
Anonymous Quiz
62%
True
38%
False
😭6
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