Wht s mnt b hthss? 1- nturl hnmnn tht rqurs xlntn 2- n xlntn fr hnmnn tht mks rd

Question

Wht s mnt b hthss?

1- nturl hnmnn tht rqurs xlntn 2- n xlntn fr hnmnn tht mks rdtn

3- sudsntf d 4- tnttv undrstndng f nturl hnmnn

Evrthng lks rd thrugh rd fltr bus?

1-th fltr mts rd lght nd bsrbs thr lrs. 2-th fltr bsrbs rd lght nd mts thr lrs.  

3-th fltr trnsmts rd lght nd bsrbs thr lrs 4-th fltr rflts rd lght nd trnsmts thr lrs.  

Ardng t th unvrsl lw f grvttn, th fr du t grvt s?

1-drtl rrtnl t th squr f th dstn btwn bjts. 2- nvrsl rrtnl t th squr f th dstn btwn bjts.

3-drtl rrtnl t th dstn btwn bjts. 4- inversely proportional to the distance between objects

Abslut zr s?

1-0° Klvn. 2- 0° Celsius 3- 0° Fahrenheit 4- 32° Fahrenheit

Whh f th fllwng bst dsrbs th mdrn dfntn f nstlltn?

1- grup f strs tht ll l t but th sm dstn frm Erth 2- pttrn f brght strs n th sky

3- rgn f th lstl sphr 4- a collection of stars that are near one another in space

5- a Greek mythological figure

Wht s n strnml unt?

1- the average speed of Earth around the Sun 2- the length of time it takes Earth to revolve around the Sun

3- the average distance from Earth to the Sun 4- the diameter of Earth's orbit around the Sun

5-any basic unit used in astronomy  

Explanation / Answer

a.Hypothesis means a pseudoscientific idea (3). Because hypothesis indicates an explanation based on some evidences.

b. Everything looks red through red filter because the filter transmit red light and absorbs other colors (3).

c. According to the Universal law of gravity, the force due to gravity is inversely proportional to square of the distance between objects (2).

The Universal law of gravity is given by, F= G * m1 * m2 / r2

Where, F = Force due to gravity

G= Gravitational constant

r = distance between two objects

m1 , m2 = mass of two objects

d. Absolute zero is 00 Kelvin(1).

e. A constellation is the Greek mythological figure (5). Constellation describes all the stars form recognizable pattern that have similarity with a mythological figure.

f. Astronomical unit is the average distance from Earth to the Sun (3).

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