NSC06 Lb Assessment 1

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| By Thechadwictan

Thechadwictan

Community Contributor

Quizzes Created: 8 | Total Attempts: 9,198

Questions: 10 | Attempts: 73 | Updated: Sep 1, 2023

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This first assessment for lab which covers conversion of units, precision accuracy and measuring length. Please answer this by tuesday afternoon.

Questions and Answers

1.

Which is the best instrument to measure the volume of a block of wood
- A.
  
  Meterstick
- B.
  
  Vernier caliper
- C.
  
  Micrometer caliper
Correct Answer
A. Meterstick

Explanation
A meterstick is the best instrument to measure the volume of a block of wood because it is a long, straight ruler that can provide accurate measurements of length. To find the volume of a block, one would measure the length, width, and height of the block using a meterstick, and then multiply these measurements together. The meterstick's length and simplicity make it a suitable tool for measuring the dimensions of a block of wood accurately. Vernier calipers and micrometer calipers are more suitable for measuring smaller, more precise dimensions.

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2.

Prefix in the SI system which means 1/1000
- A.
  
  Micro
- B.
  
  Mega
- C.
  
  Milli
- D.
  
  Pico
Correct Answer
C. Milli

Explanation
The prefix "milli" in the SI system means 1/1000. It is used to denote a unit that is one thousandth of the base unit. For example, millimeter represents one thousandth of a meter, milligram represents one thousandth of a gram, etc. This prefix is commonly used in measurements and calculations to indicate a smaller quantity or scale.

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3.

Prefix in the SI system which means 1/1000000
- A.
  
  Centi
- B.
  
  Micro
- C.
  
  Milli
- D.
  
  Femto
Correct Answer
B. Micro

Explanation
The prefix "micro" in the SI system means 1/1000000. It is used to denote a factor of one millionth. This prefix is commonly used in scientific and technical fields to represent very small quantities or measurements. For example, micrograms (µg) and micrometers (µm) are units that indicate one millionth of a gram and one millionth of a meter, respectively.

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4.

Prefix which means 1000
- A.
  
  Hecto
- B.
  
  Kilo
- C.
  
  Mega
- D.
  
  Nano
Correct Answer
B. Kilo

Explanation
The prefix "kilo" means 1000. It is commonly used in the metric system to indicate a multiple of 1000. For example, a kilogram is equal to 1000 grams. Therefore, "kilo" is the correct answer as it is the prefix that means 1000.

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5.

The volume of an irregular rigid solid can be best measured through water displacement (compared to geometric measurements).
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
Water displacement is a method commonly used to measure the volume of irregular rigid solids. This involves placing the solid in a container filled with water and measuring the increase in water level. Since irregular solids do not have regular geometric shapes that can be easily measured using formulas, water displacement provides a more accurate and reliable measurement of their volume. Therefore, the statement that the volume of an irregular rigid solid can be best measured through water displacement is true.

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6.

The volume of a sphere is just . Suppose the diameter of a sphere is 10 inches. What is its volume?
- A.
  
  25*pi/3
- B.
  
  100*pi/2
- C.
  
  500*pi/3
- D.
  
  460*pi/5
Correct Answer
C. 500*pi/3

Explanation
The volume of a sphere is given by the formula V = (4/3) * π * r^3, where r is the radius of the sphere. In this question, the diameter of the sphere is given as 10 inches, which means the radius is 5 inches (since radius = diameter/2). Plugging this value into the formula, we get V = (4/3) * π * (5^3) = 500 * π/3. Therefore, the correct answer is 500 * π/3.

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7.

What is the volume of a rectangular solid with length =50.0 cm, width = 2.00 m, and height =1.00 m?
- A.
  
  0.50 cubic meters
- B.
  
  1.00 cubic meters
- C.
  
  2.00 cubic meters
Correct Answer
C. 2.00 cubic meters

Explanation
The volume of a rectangular solid is calculated by multiplying its length, width, and height. In this case, the length is given as 50.0 cm, the width is given as 2.00 m, and the height is given as 1.00 m. To calculate the volume, we need to convert the length and width to meters, since the height is already given in meters. Converting 50.0 cm to meters gives us 0.50 m. Therefore, the volume is calculated as 0.50 m * 2.00 m * 1.00 m = 1.00 cubic meters. Therefore, the correct answer is 1.00 cubic meters.

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8.

Which is NOT a part of a vernier caliper
- A.
  
  Main scale
- B.
  
  Air hole
- C.
  
  Locking screw
- D.
  
  Vernier scale
Correct Answer
B. Air hole

Explanation
The air hole is not a part of a vernier caliper. Vernier calipers consist of a main scale, a vernier scale, and a locking screw. The main scale is used to measure the larger dimensions, while the vernier scale allows for more precise measurements. The locking screw is used to secure the caliper in place once the measurement has been taken. However, the air hole does not serve any functional purpose in the operation of the vernier caliper and is therefore not a part of it.

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9.

What is the volume of a rectangular solid with length = 2.00 m, width = 0.50 km, and height of about one meter?
- A.
  
  10 cubic meters
- B.
  
  200 cubic meters
- C.
  
  100 cubic meters
- D.
  
  1000 cubic meters
Correct Answer
D. 1000 cubic meters

Explanation
The volume of a rectangular solid is calculated by multiplying its length, width, and height. In this case, the length is given as 2.00 m, the width is given as 0.50 km (which can be converted to 500 m), and the height is given as about one meter. Multiplying these values together (2.00 m x 500 m x 1 m) gives a volume of 1000 cubic meters.

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10.

Prefix in the metric system meaning 1/1000000000
- A.
  
  Centi
- B.
  
  Milli
- C.
  
  Micro
- D.
  
  Nano
Correct Answer
D. Nano

Explanation
The prefix "nano" in the metric system represents a value of 1/1000000000. It is used to indicate a very small unit of measurement. This prefix is commonly used in scientific and technological contexts where extremely precise measurements are required. For example, nanotechnology deals with materials and devices at the nanoscale level, which is one billionth of a meter. In summary, "nano" is the correct answer because it represents the smallest unit of measurement in the given options.

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Current Version
Sep 01, 2023

Quiz Edited by
ProProfs Editorial Team
Aug 21, 2010

Quiz Created by
Thechadwictan

Nsc06 Lb Assessment 1

Which is the best instrument to measure the volume of a block of wood

Prefix in the SI system which means 1/1000

Prefix in the SI system which means 1/1000000

Prefix which means 1000

The volume of an irregular rigid solid can be best measured through water displacement (compared to geometric measurements).

The volume of a sphere is just . Suppose the diameter of a sphere is 10 inches. What is its volume?

What is the volume of a rectangular solid with length =50.0 cm, width = 2.00 m, and height =1.00 m?

Which is NOT a part of a vernier caliper

What is the volume of a rectangular solid with length = 2.00 m, width = 0.50 km, and height of about one meter?

Prefix in the metric system meaning 1/1000000000