Practice

Questions

Pick a topic and practice with clear explanations.

CUET

Q28. The wavelength of light from the spectral emission line of sodium is 662 nm. The kinetic energy at which an electron would have same de-Broglie wavelength would be: (h = 6.62 x 10⁻³⁴ J-s, me = 9 x 10⁻³¹ kg) (a) 5.5 x 10⁻²⁵ J (b) 5.5 x 10⁻²⁴ J (c) 18 x 10⁻²³ J (d) 4.5 x 10⁻²² J

Related questions

Q36. Match List I with List II LIST I A. Capital called only in the event of winding up of the company B. Other name of Registered Capital C. Subscribed Capital is a part of which capital D. A type of capital profit LIST II I. Nominal Capital II. Issued Capital III. Capital Reserve IV. Reserve Capital Choose the correct answer Horn the options given below:

View question →

Q22. Match the blanks in List - I with suitable articles in List - II List-1 (A) Yesterday ______ European called at my office. (B) ______ sun shines bright. (C) Haven't you had ______ dinner yet? (D) I had ______ unexpected encounter. List - II (I) an (II) a (III) the (IV) No article Choose the correct answer from the options given below: (a) (A)-(IV), (B)-(III), (C)-(II), (D)-(1) (b) (A)-(I), (B)-(II), (C)-(IV), (D)-(III) (c) (A)-(II), (B)-(IV), (C)-(I), (D)-(III) (d) (A)-(II), (B)-(III), (C)-(IV), (D)-(1)

View question →