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Q 1/25
Score 0
__________ waves do not require a medium to travel in space like __________ waves
30
electromagnetic;earthquake
mechanical;earthquake
mechanical;radio
electromagnetic;radio
Q 2/25
Score 0
30
25 questions
Q.
__________ waves do not require a medium to travel in space like __________ waves
1
30 sec
Q.
2
30 sec
Q.
ROYGBIV is the basic component of white light. Among the colors below, which color of light carries the highest energy?
3
30 sec
Q.
Light is an electromagnetic wave. Which characteristic is common in all electromagnetic waves in a vacuum?
4
30 sec
Q.
When red light is compared with violet light, __________in a vacuum.
5
30 sec
Q.
Which electromagnetic wave is used in a microscope?
6
30 sec
Q.
Which of the following is TRUE about the speed in a vacuum of the colors of light?
7
30 sec
Q.
Which of the following is a proof that light travels in a straight line?
8
30 sec
Q.
Which of the following is TRUE about red light and violet light?
9
30 sec
Q.
Which of the following statements pertaining to a vacuum flask(thermos) is NOT correct?
10
30 sec
Q.
Heat transfer by convection occurs __________.
11
30 sec
Q.
When you touch a piece of ice with your finger, energy flows __________.
12
30 sec
Q.
Inside an air-conditioned room, metallic objects generally feel cooler to touch than wooden objects. Why is this so?
13
30 sec
Q.
In cooking a noodle soup using a pan made of metal, heat travels through the pan by __________.
14
30 sec
Q.
In cooking a noodle soup using a pan made of metal, heat travels through the soup by __________.
15
30 sec
Q.
In cooking a noodle soup using a pan made of metal, in what direction do you think heat travel through the soup?
16
30 sec
Q.
What material will make a handle of cooking wares?
17
30 sec
Q.
Two unlike charges _____.
18
30 sec
Q.
If you rub object A with object B and object A becomes negatively charged, then object b has become _____.
19
30 sec
Q.
A material can become positively charged by __________.
20
30 sec
Q.
If you comb your hair and the comb becomes positively charged, what will happen to your hair?
21
30 sec
Q.
Which of the following is not an insulator?
22
30 sec
Q.
Is it possible to charge an electrical insulator?
23
30 sec
Q.
Material A attracts Material B. On the other hand, Material C repels Material . However Material D, can be attracted by any of the other materials. If material A is positively charged, which of the following is true?
24
30 sec
Q.
If someone gets electrocuted accidentally where would you NOT grab him/her so you could save him/her without being electrocuted too?
