speed of sound in dry air at 20 °C is___________? Read More »
Everyday Science Mcqs A. 2
B. 3
C. 4
D. 5
Sound travels 4.3 times faster in water than air. In water, the particles are much closer together and they can quickly transmit vibration energy and the sound wave travels over four times faster than it would in air.
Sound travels about ___________times faster in water than in air. Read More »
Everyday Science Mcqs A. Brain
B. Brain & Back Bone
C. brain, sal cord and neurons
D. None
Nervous system includes which of these major components? Read More »
Everyday Science Mcqs
The lenses are used for the correction of:____________? Read More »
Everyday Science Mcqs A. K2-14d
B. K2-15c
C. K2-13a
D. K2-18b
K2-18b was first discovered in 2015 by Nasa’s now retired Kepler space telescope. It was found orbiting within the red dwarf star’s habitable zone, making it an ideal candidate to have liquid surface water.
Water has been discovered on which potentially habitable super-Earth ? Read More »
Everyday Science Mcqs, World Current Affairs MCQs
The Saturn rings discovered by___________? Read More »
Everyday Science Mcqs
The Planet which revolves slowly around the Sun is__________? Read More »
Everyday Science Mcqs, General Knowledge MCQsThe hot planet, “Venus” is called as the “Evening star” due to its appearance to the “naked eye” at the evening. It can be easily “seen” in the “naked eye” in the evening sky after the sun sets in the west direction. That’s why we are saying it rises in the west. This is also referred as “Morning star” when it changes its orbital position and it looks even brighter in the morning than in the evening.
The reason why it is visible to the people residing on the earth is that it is so closer to the earth than any other planets in the solar system. As Venus is nearer to sun, it is the brightest one and can be viewed from the earth.
The “Rising” of the “evening star” indicates the direction of the____________? Read More »
Everyday Science Mcqs, General Knowledge MCQs A. Summer
B. Winter
C. Spring
D. Autumn
Reptiles hibernate during_______? Read More »
Everyday Science Mcqs A. Sphenopsids
B. Lycopsids
C. Psilopsids
D. Pteropsids
Which of the following plants are called arthrophytes? Read More »
Everyday Science Mcqs