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What is the wavelength of the wave shown in the figure below?               

(a).  Balance the following nuclear reaction and identify the missing radionuclide.                                                                                                         23290Th undergoes alpha decay. Write the decay equation and identify the daughter nucleus?          (2.0 points)                                                                                                                               (b). The barium isotope 131 Ba has a half-life of 12 days. A 250-gram sample of  131 Ba is prepared . What is the mass of 131 Ba after        3.5 day?                                                                                                           (2.5 points)  

(a).         A 632 nm light enters a liquid from air at an angle of 34° with respect to the normal and is refracted into the liquid at an angle of 28° with respect to the normal.  (i).          What is the angle between the incident rays and the reflected ray?                                                  (1.0 point) (ii).         What is the index of refraction of the liquid?                                                                                       (1.5 points) (iii).       What is the speed of the light in the liquid?                                                                                          (1.5 points) (b).         A 2.0 m tall object is 40 cm in front of a converging lens that has a 20 cm focal length. Determine the position of the image and describe the image.                                                                                                                                                                                                                      (4.0 points)                                                                                                                                                           

The three types of nuclear radiations are   

Two resistors, 30 and 60 are connected in parallel. They are then connected to a 12 volts battery. What is the voltage across the 30 Ohm resistor?  

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In the picture below, what theory can we apply? How can we solve the problem? 

For cromolyn sodium, it may take _______ to _______ weeks for improvement in patients’ symptoms, allowing a decrease in concomitant therapy, such as bronchodilator use.

Drugs that interact with Zyflo and may require dosing adjustment of Zyflo include: Theophylline Beclomethasone Cromolyn sodium Warfarin

Which of the following promotes the generation of leukotrienes that result in bronchoconstriction when discussing exercised-induced asthma?