Monday, 19 August 2013

470. Q U I Z No. 24


Q U I Z  No.  24

1.      Graphene pays way for better digital storage.
2.      A dozen different compounds give strawberry aroma.
3.      Global warming contributes to spread of west Nile Virus.
4.      Extensive glacial retreat in Mount Everest region.
5.      Fish oil doen’t help macular degeneration in the aged.
6.      Healthy lifestyle offsets work-related stress.
7.      Human activity7 caused extreme algal bloom.
8.      Soil in newly forested areas store more carbon.
9.      Complex m osquito gene stymies malaria control.
10.  LEDs disrupt sleep.
11.  Gold nanoparticles for drug deliver is used.
12.  Earth’s iron core is only 40% as strong as believed.
13.  Air and noise pollution increase cardiovascular risk.
14.  Icebergs float on water because they are lighter than water.
15.  Water in liquid form is 1  gm/cc whereas in solid state it is 0.92 gms/cc.
16.  George Gamov is a greatest scientist, and Assimov is a great science writer.
17.  Ladak is the place where it never rained.
18.  High frequencies in power transmission cannot be economically transmitted to long distances.
19.  Japan's utility frequencies are 50 Hz and 60 Hz
20.  DC could not be easily changed in voltage, and was generally only produced at the required utilization voltage.
21.  Certain parts of the digestive system are altered so that they secrete enough insulin needed to the body.
22.  The testosterone which issecreted in female body is the cause of hair fall.
23.  Tricologist is the doctor for hair.
24.  Mammoth lived 25 lakh years to 30 thousand years back having a height of 14 feet.
25.  The formula for length contraction is
L=\frac{L_{0}}{\gamma(v)}=L_{0}\sqrt{1-v^{2}/c^{2}}
where
L_0       is the proper length (the length of the object in its rest frame),
L         is the length observed by an observer in relative motion with respect to the oject,
 v \,          is the relative velocity between the observer and the moving object,
 c \,          is the speed of light,
and the Lorentz factor is defined as
\gamma (v) \equiv \frac{1}{\sqrt{1-v^2/c^2}} 
\

 .

26.  disruptions occurring from coincidental inventions, changes in regulations and society, exploding demand for new products as well as growth in complementary technologies created through strange connections.
27.  The Nintendo Wii system is well-matched with Gamecube games as well as the Gamecube controller even though the two systems use very different controllers. The Wii also has the capability to download games from the original Nintendo (NES), Super Nintendo (SNES), and the Nintendo 64.
28.  A neutrino is an electrically neutral, weakly interacting elementary subatomic particle with half-integer spin.



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