he raising (J+) and lowering (J_) operators are defined by J+=JX+ iJy and J_ = JX- iJy.Read the following passage to answer the given questions based on it. Choose the correct options. (Marks: 1)What would be [Jx, J ±]?OPTIONS ±ħJz ±ħJ ±ħJy ±iħJz

The raising (J+) and lowering (J_) operators are defined by J+=JX+ iJy and J_ = JX- iJy.Read the following passage to answer the given questions based on it. Choose the correct options. (Marks: 1)What would be [Jz, J+]OPTIONS ±hJ+ ±hJ- ±hJ ±hJx

The precedence of arithmetic operators is (from highest to lowest)?

Which of the following is not correct?a.ixj=kb.Jxk=-ic.jxi=-kd.i.i=1

Which of the following operators has least precedence in Java?

Choose the correct answers to the questions from the given options.(Do not copy the question, write the correct answers only.)[20](i)Name the feature of java depicted in the above picture.(a) Encapsulation(b) Inheritance(c) Abstraction(d) PolymorphismT24 861 – SPECIMEN 2 of 10(ii) The expression which uses > = operator is known as:(a) relational(b) logical(c) arithmetic(d) assignment(iii) Ternary operator is a:(a) logical operator(b) arithmetic operator(c) relational operator(d) conditional operator(iv) When primitive data type is converted to a corresponding object of its class, itis called:(a) Boxing(b) Unboxing(c) explicit type conversion(d) implicit type conversion(v) The number of bytes occupied by a character array of 10 elements.(a) 20 bytes(b) 60 bytes(c) 40 bytes(d) 120 bytes(vi) The method of Scanner class used to accept a double value is:(a) nextInt()(b) nextDouble()(c) next()(d) nextInteger()T24 861 – SPECIMEN 3 of 10(vii) Among the following which is a keyword:(a) every(b) all(c) case(d) each(viii) The output of Math.round(6.6) + Math.ceil(3.4) is:(a) 9.0(b) 11.0(c) 10.0(d) 11(ix) Name the type of error, if any in the following statement:System.out.print("HELLO")(a) logical(b) no error(c) runtime(d) syntax(x) Java statement to access the 5th element of an array is:(a) X[4](b) X[5](c) X[3](d) X[0](xi) The output of “Remarkable”.substring(6) is:(a) mark(b) emark(c) marka(d) ableT24 861 – SPECIMEN 4 of 10(xii) Which of the following is the wrapper class for the data type char?(a) String(b) Char(c) Character(d) Float(xiii) Name the package that contains wrapper classes:(a) java.lang(b) java.util(c) java .io(d) java.awt(xiv) Constructor overloading follows which principle of Object Orientedprogramming?(a) Inheritance(b) Polymorphism(c) Abstraction(d) Encapsulation(xv) Which of the following is a valid Integer constant:1. 42. 4.03. 4.3f4. “four”(a) Only 1.(b) 1. and 3.(c) 2. and 4.(d) 1. and 2.T24 861 – SPECIMEN 5 of 10(xvi) The method compareTo() returns __________ when two strings are equal andin lowercase :(a) true(b) 0(c) 1(d) false(vii) Assertion(A): In java statements written in lower case letter or upper case letterare treated as the same.Reason(R): Java is a case sensitive language.(a) Both Assertion (A) and Reason (R) are true and Reason (R) is a correctexplanation of Assertion (A)(b) Both Assertion (A) and Reason (R) are true and Reason (R) is not acorrect explanation of Assertion(A)(c) Assertion (A) is true and Reason (R) is false(d) Assertion (A) is false and Reason (R) is true(xviii) Read the following text, and choose the correct answer:A class encapsulate Data Members that contains the information necessary torepresent the class and Member methods that perform operations on the datamember.What does a class encapsulate?(a) Information and operation(b) Data members and Member methods(c) Data members and information(d) Member methods and operationT24 861 – SPECIMEN 6 of 10(xix) Assertion(A): call by value is known as pure methodReason(R): The original value of variable does not change as operation isperformed on copied values.(a) Both Assertion (A) and Reason (R) are true and Reason (R) is a correctexplanation of Assertion (A)(b) Both Assertion (A) and Reason (R) are true and Reason (R) is not acorrect explanation of Assertion (A)(c) Assertion (A) is false and Reason (R) is true(d) Assertion (A) is false and Reason (R) is true(xx) What Will be the output for:System.out.print(Character.toLowerCase('1'));(a) 0(b) 1(c) A(d) tru