Calculate the Estimated Nuclear Radius Of ${ } _ { 38 } ^ { 90 } \mathrm { Sr } ?$

question 52

Multiple Choice

Calculate the estimated nuclear radius of ${ } _ { 38 } ^ { 90 } \mathrm { Sr } ?$

• A) \(5.4 \times 10 ^ { - 15 } \mathrm {~m}\)
• B) \(4.0 \times 10 ^ { - 15 } \mathrm {~m}\)
• C) \(1.1 \times 10 ^ { - 13 } \mathrm {~m}\)
• D) \(1.2 \times 10 ^ { - 15 } \mathrm {~m}\)
• E) \(3.3 \times 10 ^ { - 13 } \mathrm {~m}\)

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Definitions:

Examine-Off Instruction

A programmable logic controller (PLC) command used to check if a specific input or condition is not active or off.

Normally Closed Relay

A normally closed relay is a type of relay where the contact points are closed (i.e., the circuit is complete and can carry current) when the relay is not energized, and open when it is energized.

Input Combinations

Input combinations refer to the specific sets or arrangements of input conditions or signals that determine the output or behavior of a system or circuit.

Y Output

A designation for an output point or terminal in PLCs and control systems, commonly used to control actuators and other output devices.