Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take mock test.
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does STM stand for?
💡 Hint: Consider the first letter of each word in the name.
Question 2
Easy
What type of materials can STM be used on?
💡 Hint: Think about the requirement for measuring electric current.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What principle does STM operate on?
- Measuring light absorption
- Measuring tunneling current
- Measuring temperature changes
💡 Hint: Think about the electrical relationship between the tip and the surface.
Question 2
True or False: STM can be used on non-conductive samples.
- True
- False
💡 Hint: Recall the necessary conditions for STM to function.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given that tunneling current is dependent on the distance between the STM tip and the surface, explain how variations in this distance could affect the resulting image.
💡 Hint: Consider how the precision of distance impacts current measurements and resultant imaging.
Question 2
How would you approach characterizing a newly synthesized nanomaterial using STM? Outline the steps you would take.
💡 Hint: Think about sample preparation as the first critical step in the STM process.
Challenge and get performance evaluation